The ratio of dragonfruits to peaches is 2 : 7. If 8 peaches are added, the ratio of dragonfruits to peaches will be 2 : 11. How many less dragonfruits than peaches are there in the end?
| |
Dragonfruits |
Peaches |
| Before |
2 u |
7 u |
| Change |
|
+ 8 |
| After |
2 u |
11 u |
The number of dragonfruits at first and in the end remains unchanged.
Number of peaches added
= 11 u - 7 u
= 4 u
4 u = 8
1 u = 8 ÷ 4 = 2
Number of less dragonfruits than peaches in the end
= 11 u - 2 u
= 9 u
= 9 x 2
= 18
Answer(s): 18
