Zane had some pens. He gave
23 of his pens to Neave and bought 4 new pens. After that, he gave
25 of his remaining pens to his sister and bought another 7 new pens. In the end, Zane had 49 pens.
- How many pens did Zane give to his sister?
- How many pens did Zane have at first?
(a)
Fraction of his remaining pens after he gave to his sister
= 1 -
25=
35 35 of his remaining pens = 49 - 7 = 42
15 of his remaining pens = 42 ÷ 3 = 14
25 of his remaining pens = 2 x 14 = 28
Number of pens that Zane gave to his sister = 28
(b)
55 of his remaining pens = 5 x 14 = 70
Fraction of his total pens after he gave to Neave
= 1 -
23=
13 13 of his total pens = 70 - 4 = 66
33 of his total pens = 3 x 66 = 198
Number of pens that Zane had at first = 198
Answer(s): (a) 28; (b) 198
