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