Harry had 480 buttons. He gave
58 of it to Albert and
45 of the remainder to Joelle. How many buttons had he left?
Fraction of the buttons left after giving to Albert
= 1 -
58 =
38 Fraction of the remaining buttons left after giving to Joelle
= 1 -
45 =
15
Fraction of the buttons left after giving to Albert and Joelle
= 38 x 15
= 340
Total number of buttons = 40 u
40 u = 480
1 u = 480 ÷ 40 = 12
Number of buttons left
= 3 u
= 3 x 12
= 36
Answer(s): 36