Jean had 100 cards. Zane had 12 of what Jean had. After Jean used some of his cards and Zane used 110 of his cards, Jean had 35 as many cards left as Zane.
- How many cards did Zane have at first?
- How many cards did Jean use?
| |
Jean |
Zane |
| Before |
100 |
50 |
| Change |
- ? |
- 5 |
| After |
27 |
45 |
(a)
Number of cards that Zane had at first
=
12 x 100
= 50
(b)
Number of cards that Zane used
=
110 x 50
= 5
Number of cards that Zane had left
= 50 - 5
= 45
Number of cards that Jean had left
=
35 x 45
= 27
Number of cards that Jean used
= 100 - 27
= 73
Answer(s): (a) 50; (b) 73
