John had 320 marbles. He gave
58 of it to Tommy and
45 of the remainder to Ivory. How many marbles had he left?
Fraction of the marbles left after giving to Tommy
= 1 -
58 =
38 Fraction of the remaining marbles left after giving to Ivory
= 1 -
45 =
15
Fraction of the marbles left after giving to Tommy and Ivory
= 38 x 15
= 340
Total number of marbles = 40 u
40 u = 320
1 u = 320 ÷ 40 = 8
Number of marbles left
= 3 u
= 3 x 8
= 24
Answer(s): 24
