Daniel had 640 erasers. He gave
58 of it to Owen and
45 of the remainder to Sarah. How many erasers had he left?
Fraction of the erasers left after giving to Owen
= 1 -
58 =
38 Fraction of the remaining erasers left after giving to Sarah
= 1 -
45 =
15
Fraction of the erasers left after giving to Owen and Sarah
= 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