Archie and Bryan share a bunch of oranges in the ratio 7 : 3. If Archie gives Bryan 42 oranges from his share, they will have the same number of oranges. How many oranges does Archie have at first?
| |
Archie |
Bryan |
| Before |
7 u |
3 u |
| Change |
- 42 |
+ 42 |
| After |
7 u - 42 |
3 u + 42 |
If Archie gives Bryan 42 oranges from his share, they will have the same number of oranges.
7 u - 42 = 3 u + 42
7 u - 3 u = 42 + 42
4 u = 84
1 u = 84 ÷ 4 = 21
Number of oranges that Archie has
= 7 u
= 7 x 21
= 147
Answer(s): 147
