3x+50=6x-10
subtract 3x
50=3x-10
add 10
60=3x
divide by 3
20=x
Answer: " 3.4 (3c + 3) " .
_____________________________________
Note: "(3.4) * 3 = 10.2" .
_____________________________________
So; " (3.4)c + 10.2 = 3.4 (3c + 3) " .
_____________________________________
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.