one number is 9 more than the other number. The difference of seven times the smaller number and two times the larger is 157. What are the numbers?

unknown values: x,y

equation: x = y + 9

equation: 7*y - 2*x = 157

answer: {44; 35}

one number is 4 less than another. the difference of twice the smaller and 5 times the larger number is -11. What are the numbers?

unknown values: x, y

equation: x = y - 4

equation: 2*x - 5*y = -11

answer: -3; 1

20% of the number is 3. Find the number?

unknown values: x

equation: 0.2*x = 3

answer: 15

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

If .4% of a quantity is 2.4, find the total quantity.

unknown values: q

equation: 0.4/100*q = 2.4

answer: 600

What percentage of 306,000 equals 8,200?

unknown values: x

equation: x/100 * 306000 = 8200

answer: 2.680% | 2.680

4% of what number is 34?

unknown values: n

equation: 4/100*n = 34

answer: 850

30 is 75% of what number?

unknown values: n

equation: 30 = 75/100*n

answer: 40