Ken had 520 cards. He gave
58 of it to Flynn and
45 of the remainder to Anna. How many cards had he left?
Fraction of the cards left after giving to Flynn
= 1 -
58 =
38 Fraction of the remaining cards left after giving to Anna
= 1 -
45 =
15
Fraction of the cards left after giving to Flynn and Anna
= 38 x 15
= 340
Total number of cards = 40 u
40 u = 520
1 u = 520 ÷ 40 = 13
Number of cards left
= 3 u
= 3 x 13
= 39
Answer(s): 39