Reggie had 640 erasers. He gave
58 of it to Valen and
45 of the remainder to Fiona. How many erasers had he left?
Fraction of the erasers left after giving to Valen
= 1 -
58 =
38 Fraction of the remaining erasers left after giving to Fiona
= 1 -
45 =
15
Fraction of the erasers left after giving to Valen and Fiona
= 38 x 15
= 340
Total number of erasers = 40 u
40 u = 640
1 u = 640 ÷ 40 = 16
Number of erasers left
= 3 u
= 3 x 16
= 48
Answer(s): 48