Ken and Sean have a total of 70 stickers. If Ken gives Sean 30 stickers, Sean will have 6 times as many stickers as him. Find
(a) Ken's stickers
(b) Sean's stickers
|
Ken |
Sean |
Total |
Before |
1 u + 30 |
6 u - 30 |
70 |
Change |
- 30 |
+ 30 |
|
After |
1 u |
6 u |
7 u |
(a)
Total number of stickers
= 1 u + 6 u
= 7 u
7 u = 70
1 u = 70 ÷ 7 = 10
Number of stickers that Ken has
= 1 u + 30
= 10 + 30
= 40
(b)
Number of stickers that Sean has
= 70 - 40
= 30
Answer(s): (a) 40; (b) 30