Jeremy and Andy share a bunch of oranges in the ratio 7 : 4. If Jeremy gives Andy 21 oranges from his share, they will have the same number of oranges. How many oranges does Jeremy have at first?
|
Jeremy |
Andy |
Before |
7 u |
4 u |
Change |
- 21 |
+ 21 |
After |
7 u - 21 |
4 u + 21 |
If Jeremy gives Andy 21 oranges from his share, they will have the same number of oranges.
7 u - 21 = 4 u + 21
7 u - 4 u = 21 + 21
3 u = 42
1 u = 42 ÷ 3 = 14
Number of oranges that Jeremy has
= 7 u
= 7 x 14
= 98
Answer(s): 98