Tim and Warren have a total of 80 pens. If Tim gives Warren 34 pens, Warren will have 4 times as many pens as him. Find
(a) Tim's pens
(b) Warren's pens
|
Tim |
Warren |
Total |
Before |
1 u + 34 |
4 u - 34 |
80 |
Change |
- 34 |
+ 34 |
|
After |
1 u |
4 u |
5 u |
(a)
Total number of pens
= 1 u + 4 u
= 5 u
5 u = 80
1 u = 80 ÷ 5 = 16
Number of pens that Tim has
= 1 u + 34
= 16 + 34
= 50
(b)
Number of pens that Warren has
= 80 - 50
= 30
Answer(s): (a) 50; (b) 30