Yoko had 176 stamps. Ivan had 38 of what Yoko had. After Yoko used some of his stamps and Ivan used 13 of his stamps, Yoko had 34 as many stamps left as Ivan.
- How many stamps did Ivan have at first?
- How many stamps did Yoko use?
|
Yoko |
Ivan |
Before |
176 |
66 |
Change |
- ? |
- 22 |
After |
33 |
44 |
(a)
Number of stamps that Ivan had at first
=
38 x 176
= 66
(b)
Number of stamps that Ivan used
=
13 x 66
= 22
Number of stamps that Ivan had left
= 66 - 22
= 44
Number of stamps that Yoko had left
=
34 x 44
= 33
Number of stamps that Yoko used
= 176 - 33
= 143
Answer(s): (a) 66; (b) 143