Johnny has been playing guitar for a while now. He practices the same amount each day. As of 20 days ago he had half as much practice as he has currently. How many days will pass before Johnny has 3 times as much practice as he does currently?

How many days worth of practice does Johnny have currently? ** If Johnny had half as much practice as he currently has as of 20 days ago, this means he has 20*2=

<<20*2=40>>40 days worth of practice currently. How many days would Johnny need to practice to have three times as much practice as he currently has? ** Therefore, to have three times as much practice as he currently has, he'd need to practice for 40*3=<<40*3=120>>120 days. How many more days will Johnny need to practice? ** Since he's already practiced for 40 days, this means he needs to practice or 120-40= <<120-40=80>>80 more days #### 80 Jason goes to the library 4 times more often than William goes. If William goes 2 times per week to the library, how many times does Jason go to the library in 4 weeks? How many times does Jason go to the library in a week? ** The number of times Jason goes to the library per week is 4 * 2 = <<4*2=8>>8 times. How many times does Jason go to the library in 4 weeks? ** The number of times he goes to the library in 4 weeks is 8 * 4 = <<8*4=32>>32 times. #### 32 Wanda weighs 30 pounds more than Yola currently. Wanda also weighs 80 pounds more than Yola did 2 years ago. How much did Yola weigh 2 years ago if she currently weighs 220 pounds? How much does Wanda weigh? ** If Yola currently weighs 220 pounds, then Wanda, who weighs 30 pounds more than Yola, weighs 220+30 = <<220+30=250>>250 pounds. How much did Yola weigh 2 years ago? ** Wanda also weighs 80 pounds more than Yola did 2 years ago, meaning Yola weighed 250-80=<<250-80=170>>170 pounds 2 years ago. #### 170 Theodore can craft 10 stone statues and 20 wooden statues every month. A stone statue costs $20 and a wooden statue costs $5. He also pays 10 percent of his total earnings in taxes. How much is his total earning every month? How much money does Theodore make from the stone statues? ** Theodore's total earnings from the stone statues are 10 x $20 = $<<10*20=200>>200. How much money does Theodore make from the wooden statues? ** His total earnings from wooden statues are 20 x $5 = $<<20*5=100>>100. How much money does Theodore make every month? ** So his total earnings from the stone and wooden statue are $200 + $100 = $<<200+100=300>>300. How much does Theodore pay in taxes? ** The amount he pays for the tax is $300 x 10/100 = $<<300*10/100=30>>30. How much is Theodore's total earning every month? ** Therefore his total monthly earnings are $300 - $30 = $<<300-30=270>>270. #### 270 Michonne is inviting her friends to her birthday party. She invites 6 of her friends from school and 12 of her friends from her neighborhood. Each of her friends asks if they can bring two friends along as well. How many people are going to Michonne’s birthday party? How many friends has Michonne invited? ** Michonne has invited 6 + 12 = <<6+12=18>>18 friends. How many friends have Michonne’s friends invited? ** These friends have invited another 18 friends * 2 = <<18*2=36>>36 people. How many people are going to Michonne’s birthday party? ** So in total, there are 18 friends + 36 people = <<18+36=54>>54 people going to Michonne’s party. #### 54 This week, the fishmonger sold 50 kg of salmon. He sold three times more the following week. What was the total amount of fish sold in two weeks? How many kg of salmon did the fishmonger sell the following week? ** The following week, he sold 50 x 3 = <<50*3=150>>150 kg of salmon. How many kg of fish did the fishmonger sell in two weeks? ** So he sold 50 + 150 = <<50+150=200>>200 kg of fish. #### 200 Wendi brought home 4 chickens. After a few days, she brought home enough additional chickens to double the number of chickens she owned. Then, a neighbor's dog ate one of her chickens. Finally, Wendi found an additional 4 less than ten chickens and brought them home too. After this, how many chickens does Wendi have? How many chickens did Wendi have after doubling the number of chickens she owned? ** Wendi doubled her number of chickens from 4 to 4*2=<<4*2=8>>8 chickens. How many chickens did Wendi have after a dog ate one of the chickens? ** After a dog ate one of the chickens, 8-1=<<8-1=7>>7 chickens remained. How many chickens did Wendi have after finding 6 less than ten chickens? ** 4 less than 10 is 10-4=<<10-4=6>>6. How many chickens does Wendi have? ** Therefore, Wendi added another 4 less than ten chickens for a total of 7+6=13 chickens. #### 13 Pam has 10 bags of apples. Each of her bags has as many apples as 3 of Gerald's bags. If Gerald's bags have 40 apples each, how many apples does Pam have? How many apples are in each of Pam's bags? ** Each of Pam's bags contain 40*3=<<40*3=120>>120 apples. How many apples does Pam have? ** Pam has 120*10=<<120*10=1200>>1200 apples. #### 1200 Mr. Williams bought 10 gallons of juice for a party. Each gallon has 10 cups. At the party, 5 cups of juice were left. How many cups of juice were drunk? How many cups of juice did Mr. Williams buy? ** Mr. Williams bought 10 x 10 = <<10*10=100>>100 cups of juice. How many cups of juice were drunk? ** Since 5 cups were left, then 100 - 5 = <<100-5=95>>95 cups were drunk. #### 95 Joel’s garden is 64 square feet large. He wants to use half of the garden for fruits and half of the garden for vegetables. He wants to use a quarter of the fruit section for strawberries. How many square feet of the garden will be used for strawberries? How many square feet of the garden will be used for fruit? ** The number of square feet used for fruit is 64 / 2 = <<64/2=32>>32 square feet How many square feet of the garden will be used for strawberries? ** The number of square feet used for strawberries is 32 / 4 = <<32/4=8>>8 square feet #### 8