Cindy had 216 beads. Ahmad had 16 of what Cindy had. After Cindy used some of his beads and Ahmad used 16 of his beads, Cindy had 12 as many beads left as Ahmad.
- How many beads did Ahmad have at first?
- How many beads did Cindy use?
|
Cindy |
Ahmad |
Before |
216 |
36 |
Change |
- ? |
- 6 |
After |
15 |
30 |
(a)
Number of beads that Ahmad had at first
=
16 x 216
= 36
(b)
Number of beads that Ahmad used
=
16 x 36
= 6
Number of beads that Ahmad had left
= 36 - 6
= 30
Number of beads that Cindy had left
=
12 x 30
= 15
Number of beads that Cindy used
= 216 - 15
= 201
Answer(s): (a) 36; (b) 201