Question

A number is multiplied by 8, and that product is added to 4. The sum is equal to the product of 4 and 7. Find the number.

Answer 1

The number is:

3

Explanation:

8a + 4 = 4*7

8a + 4 = 28

8a = 28 - 4

8a = 24

a = 24/8

a = 3

Check:

8*3 + 4 = 4*7

24 + 4 = 28

Answer 2

Explanation:

y×8=8y

8y+4=4×7

8y+4=28

8y=24

y=