Bob grew corn in his garden and is ready to harvest it. He has 5 rows of corn, and each row has 80 corn stalks. About every 8 corn stalks will produce a bushel of corn. How many bushels of corn will Bob harvest?

Bob has 5 rows of corn, each with 80 corn stalks, so he has 5 rows * 80 stalks per row =

<<5*80=400>>400 corn stalks. 8 corn stalks will produce a bushel of corn, so Bob will harvest 400 corn stalks / 8 corn stalks per bushel = <<400/8=50>>50 bushels of corn. #### 50 Alexis can sew a skirt in 2 hours and a coat in 7 hours. How long does it take for Alexis to sew 6 skirts and 4 coats? It takes Alexis 2 x 6 = <<2*6=12>>12 hours to sew 6 skirts It takes Alexis another 7 x 4 = <<7*4=28>>28 hours to sew 4 coats. In total it takes Alexis 12 + 28 = <<12+28=40>>40 hours to sew 6 skirts and 4 coats. #### 40 Mrs. Young buys a 300 piece puzzle set for her three sons. She divides the pieces evenly to the three boys. Reyn can place 25 pieces into the puzzle picture. Rhys places twice as much as Reyn. Rory places three times as much as Reyn. Altogether, how many puzzle pieces are still left to be placed? Each son receives 300 / 3 = <<300/3=100>>100 pieces. Rhys places 25 x 2 = <<25*2=50>>50 pieces. Rory places 25 x 3 = <<25*3=75>>75 pieces. All three boys place 25 + 50 + 75 = <<25+50+75=150>>150 pieces. The boys have not placed 300 - 150 = <<300-150=150>>150 pieces. #### 150 Billy buys a 12 pack of soda from the store. If he has twice as many brothers as sisters, and he has 2 sisters, how many sodas can he give to each of his siblings if he wants to give out the entire 12 pack while giving each the same number? First, we need to determine how many siblings Billy has. To do this, we perform 2*2= <<2*2=4>>4 brothers, as he has 2 sisters and twice as many brothers as sisters. Then we divide the total number of sodas in the 12 pack, which is 12, by the number of siblings, performing 12/6=<<12/6=2>>2 cans per person. #### 2 John climbs up 3 flights of stairs. Each flight is 10 feet. He then climbs a rope that is half that height. Finally, he climbs a ladder that is 10 feet longer than the rope. How high up did he go? He climbed 3*10=<<3*10=30>>30 feet of stairs He then climbed 30/2=<<30/2=15>>15 feet of rope Finally, he climbed a 15+10=<<15+10=25>>25 foot ladder So in total, he climbed 30+15+25=<<30+15+25=70>>70 feet #### 70 In a single day, it rained for many hours. From 2pm to 4pm, it rained at a rate of 4 inches per hour. From 4pm to 7pm, it rained at a rate of 3 inches per hour. And from 7pm to 9pm, it rained at a rate of 0.5 inches per hour. If the rain gauge started out the day already containing 2 inches of rainwater, how many inches of water will the gauge contain at 9pm? From 2pm to 4pm is 4-2=2 hours. Thus, from 2-4pm, raining at 4 inches per hour, it added 8 inches to the rain gauge. From 4pm to 7pm is 7-4=<<7-4=3>>3 hours. Thus, from 4-7pm, raining at a rate of 3 inches per hour, it added 3*3=<<3*3=9>>9 inches to the rain gauge. From 7pm to 9pm is 9-7=<<9-7=2>>2 hours. Thus, from 7-9pm, raining at a rate of 0.5 inches per hour, it added 2*0.5=1 inch to the gauge. If the gauge originally contained 2 inches of water, by 9pm the gauge contained 2+8+9+1=<<2+8+9+1=20>>20 inches of water. #### 20 The car-rental agency charges $30/day for a car, or $190 for the first week for a rental that lasts an entire week or longer. Jennie rented a car for 11 days. How much, in dollars, did she pay for the rental? The first 7 days were $190. There were 11-7=<<11-7=4>>4 days left. The additional 4 days were 4*30=<<4*30=120>>120. And 190+120=<<190+120=310>>310. #### 310 Levi and his brother were playing basketball. Levi had scored 8 times and his brother had scored 12 times. Levi was determined to beat his brother by at least 5 baskets. How many more times does Levi have to score in order to reach his goal if his brother scores another 3 times? Altogether, Levi's brother scores 12 + 3 = <<12+3=15>>15 times. If Levi wants to beat him by 5, he needs to score a total of 15 + 5 = <<15+5=20>>20 times. Levi needs to score another 20 - 8 = <<20-8=12>>12 times. #### 12 Tim spent $50.00 on Chinese take-out. 80% of the cost went to 4 entrees. The rest of the money went to 2 appetizers that each cost the same amount. How much was the price of a single appetizer? He spent $50.00 and 80% of the meal went to entrees so he spent 50*.80 = $40.00 on entrees He spent $50.00 and $40.00 went to entrees so that leaves $50 - $40 = $<<50-40=10.00>>10.00 for appetizers Each appetizer costs the same amount and he spent $10.00 all together so each appetizer is $10/2 = $<<10/2=5.00>>5.00 #### 5 Mark goes into the store to buy some groceries. He buys 6 2$ cans of soup, 2 $5 loaves of bread, 2 3$ boxes of cereal, and 2 $4 gallons of milk. When he gets to the register, he opens his wallet to pay and realizes he only has $10 bills in there. How many $10 bills does he need to use to pay? Mark buys 6 $2 cans of soup, meaning he spends 6*2= <<6*2=12>>12 dollars on soup. Mark buys 2 $5 loaves of bread, meaning he spends 2*5= <<2*5=10>>10 dollars on bread. Mark buys 2 $3 boxes of cereal, meaning he spends 2*3= <<2*3=6>>6 dollars on cereal. Mark buys 2 $4 gallons of milk, meaning he spends 2*4= <<2*4=8>>8 dollars on milk. All added together, this means Mark spends 12+10+6+8= <<12+10+6+8=36>>36 dollars Since Mark only has $10 bills, he spends 36/10= <<36/10=3.6>>3.6 tens on it, which rounds up to 4 as you cannot spend .6 of an undividable item. #### 4