Vanessa had 180 beads. Warren had 25 of what Vanessa had. After Vanessa used some of his beads and Warren used 16 of his beads, Vanessa had 13 as many beads left as Warren.
- How many beads did Warren have at first?
- How many beads did Vanessa use?
| |
Vanessa |
Warren |
| Before |
180 |
72 |
| Change |
- ? |
- 12 |
| After |
20 |
60 |
(a)
Number of beads that Warren had at first
=
25 x 180
= 72
(b)
Number of beads that Warren used
=
16 x 72
= 12
Number of beads that Warren had left
= 72 - 12
= 60
Number of beads that Vanessa had left
=
13 x 60
= 20
Number of beads that Vanessa used
= 180 - 20
= 160
Answer(s): (a) 72; (b) 160
