Tim had 800 buttons. He gave
58 of it to Jenson and
45 of the remainder to Mary. How many buttons had he left?
Fraction of the buttons left after giving to Jenson
= 1 -
58 =
38 Fraction of the remaining buttons left after giving to Mary
= 1 -
45 =
15
Fraction of the buttons left after giving to Jenson and Mary
= 38 x 15
= 340
Total number of buttons = 40 u
40 u = 800
1 u = 800 ÷ 40 = 20
Number of buttons left
= 3 u
= 3 x 20
= 60
Answer(s): 60