Frida is thinking of number. She adds 15 to her number and finds that the result is 4 times her number. What is her number?

unknown values: n

equation: n + 15 = 4*n

answer: 5

Six more than a number is 3 times the number. What is the number?

unknown values: n

equation: n + 6 = 3*n

answer: 3

what is the sum of the first 100 even numbers

unknown values: s

equation: b = 2 + (100-1)*2

equation: s = (2+b)*100/2

answer: 10100

The sum of three consecutive integers is negative 72. Find the numbers

unknown values: n,n+1,n+2

equation: n + (n+1) + (n+2) = -72

answer: -25; -24; -23

120=100(M/10),what is the value of M?

unknown values: m

equation: 120=100(m/10)

answer: 12

12 is 3/4 of what number?

unknown values: n

equation: 12 = 3/4 * n

answer: 16

60 is 140% of what number?

unknown values: x

equation: 60 = 140/100 * x

answer: 300/7 | 42.857

The quotient of a number and -7, decreased by 2, is 10. Find the number.

unknown values: n

equation: n/(-7) - 2 = 10

answer: -84

Nine less than the quotient of a number and 3 is 18. Find the number.

unknown values: n

equation: n/3 - 9 = 18

answer: 81

What number is 17% of 200.

unknown values: n

equation: n = 17/100 * 200

answer: 34