Joelle had 180 stamps. John had 29 of what Joelle had. After Joelle used some of his stamps and John used 15 of his stamps, Joelle had 34 as many stamps left as John.
- How many stamps did John have at first?
- How many stamps did Joelle use?
|
Joelle |
John |
Before |
180 |
40 |
Change |
- ? |
- 8 |
After |
24 |
32 |
(a)
Number of stamps that John had at first
=
29 x 180
= 40
(b)
Number of stamps that John used
=
15 x 40
= 8
Number of stamps that John had left
= 40 - 8
= 32
Number of stamps that Joelle had left
=
34 x 32
= 24
Number of stamps that Joelle used
= 180 - 24
= 156
Answer(s): (a) 40; (b) 156