Question

Mrs. Robbins has stickers and erasers in her desk. The ratio of stickers to erasers is 3 to 8. She has 12 stickers. *

Answer 1

Given:
ratio of stickers to erasers: 3 to 8
She has 12 stickers.

3:8 = 12:x
3x = 8*12
3x = 96
x = 96/3
x = 32 erasers.

Mrs. Robbins has 32 erasers.

Answer 2

Stickers : erasers = 3 :8

12 : e = 3:8

12/e = 3/8

3*e = 12*8

e = 12*8/3

e = 32

Erasers = 32.