Neave had 280 buttons. He gave
58 of it to Vaidev and
45 of the remainder to Emily. How many buttons had he left?
Fraction of the buttons left after giving to Vaidev
= 1 -
58 =
38 Fraction of the remaining buttons left after giving to Emily
= 1 -
45 =
15
Fraction of the buttons left after giving to Vaidev and Emily
= 38 x 15
= 340
Total number of buttons = 40 u
40 u = 280
1 u = 280 ÷ 40 = 7
Number of buttons left
= 3 u
= 3 x 7
= 21
Answer(s): 21