What is the sum of the arithmetic sequence 152, 138, 124, ��, if there are 24 terms?

unknown values: s

equation: d = 138 - 152

equation: b = 152 + (24-1)d

equation: s = (152 + b)*24/2

answer: -216

Find the number of positive integral divisors of 23625.

unknown values: n

equation: n = (3+1)(3+1)(1+1)

answer: 32

Rhonda added 140 to one third of a number for a result of 216.What is the number?

unknown values: x

equation: 1/3 * x + 140 = 216

answer: 228

If y= 4(2x-9)+25. what is the value of y when x=25?

unknown values: y

equation: y= 4(2*x-9)+25

equation: x = 25

answer: 189

If the difference of a number and 5 is tripled, the result is 1/9. Find the number.

unknown values: x

equation: (x - 5) * 3 = 1/9

answer: 136/27 | 5.037

what percent of 50 is 6?

unknown values: x

equation: x * 0.01 * 50 = 6

answer: 12

What percent of 80 is 50?

unknown values: x

equation: 0.01*x * 80 = 50

answer: 62.5

when 8 is subtracted from a certain number and the result is multiplied by 4, the answer is the same as when the number is added to 19. What's the answer?

unknown values: x

equation: (x - 8) * 4 = x + 19

answer: 17

The sum of 3 consecutive EVEN integers is 174. What is the first integer?

unknown values: x

equation: x + 2 = y

equation: y + 2 = z

equation: x + y + z = 174

answer: 56

The sum of three consecutive numbers is 72. What are the smallest of these numbers?

unknown values: x

equation: x + 1 = y

equation: y + 1 = z

equation: x + y + z = 72

answer: 23