Peter, Wesley and Cole had a total of 510 stickers at first. After a week, the number of Peter's stickers became 4 times the number of stickers he had at first. The number of Wesley's stickers decreased by 276. Cole had half as many stickers as he had at first. In the end, the three boys had the same number of stickers.
- How many stickers did Cole have at first?
- What was the total number of stickers that the three boys had in the end?
|
Peter |
Wesley |
Cole |
Total |
Before |
1 u |
4 u + 276 |
8 u |
|
Change |
x 4 |
- 276 |
x 12 |
|
After |
4 u |
4 u |
4 u |
12 u |
(a)
Total number of stickers at first
=
1 u + 4 u + 276 + 8 u
= 13 u + 276
13 u + 276 = 51013 u = 510 - 27613 u = 234
1 u = 234 ÷ 13 = 18 Number of stickers that Cole had at first
= 4 u ÷
12= 4 u x
21= 8 u = 8 x 18 = 144(b)Total number of stickers that the three boys had at the end = 12 u = 12 x 18 = 216 Answer(s): (a) 144; (b) 216