Seth had 80 pens. He gave
58 of it to John and
45 of the remainder to Zara. How many pens had he left?
Fraction of the pens left after giving to John
= 1 -
58 =
38 Fraction of the remaining pens left after giving to Zara
= 1 -
45 =
15
Fraction of the pens left after giving to John and Zara
= 38 x 15
= 340
Total number of pens = 40 u
40 u = 80
1 u = 80 ÷ 40 = 2
Number of pens left
= 3 u
= 3 x 2
= 6
Answer(s): 6