If the ratio of 2x – y to x + y is 2/3, what is the ratio of x to y?
- 1/5
- 4/5
- 5
- 6/5
- 5/4
2x – y | = | 2 |
x + y | 3 |
→ 2(x + y) = 3(2x – y)
→ -4x = -5y
→ -4x = -5y
→ | x | = | 5 |
y | 4 |
The answer is (e).
If the ratio of 2x – y to x + y is 2/3, what is the ratio of x to y?
2x – y | = | 2 |
x + y | 3 |
→ | x | = | 5 |
y | 4 |