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