5 times a number equals 20what is the number?

5 times a number equals 20what is the number?

unknown values: n

equation: 5*n = 20

answer: 4

15 is 25% of what number?

unknown values: x

equation: 15 = 0.25*x

answer: 60

36 is 60% of what number?

unknown values: x

equation: 36 = 0.6*x

answer: 60

Twice the difference of a number and 3 is equal to three times the sum of the number and 5. What is the number?

unknown values: x

equation: 2(x - 3) = 3(x + 5)

answer: -21

Four times the difference of a number and one is equal to six times the sum of the number and three. Find the number.

unknown values: x

equation: 4(x - 1) = 6(x + 3)

answer: -11

the product of two numbers is 2. The sum of one number and the reciprocal of the other is 6. Find the number?

unknown values: x,y

equation: x*y=2

equation: x+(1/y) = 6

answer: {4;1/2} | {4; 0.5}

Three times an even integer is two less than 4 times the next lower even integer. Find the integer ?

unknown values: 2*k+2

equation: 4*(2*k)-3*(2*k+2)=2

answer: 10

The quotient of two numbers is 8 and their sum is 90. Find the numbers?

unknown values: x,y

equation: x/y=8

equation: x+y=90

answer: 80; 10

If 6 is added to a number, the result exceeds two times the number by 1. What is the number

unknown values: n

equation: n + 6 = 2*n + 1

answer: 5

16 more than a number is 20 more than twice the number.

unknown values: n

equation: 16 + n = 20 + 2*n

answer: -4