Mr Fred sold some starfruits, mangosteens and oranges. The ratio of the number of starfruits sold to the total number of fruits sold was 2 : 9. The ratio of the number of mangosteens sold to the number of oranges sold was 3 : 25. He sold 136 more oranges than starfruits. Find the total number of fruits that he sold.
| Starfruits |
Mangosteens |
Oranges |
Total |
| 2x4 |
7x4 |
9x4 |
| |
3 |
25 |
|
| 8 u |
3 u |
25 u |
36 u |
The total number of mangosteens and oranges is repeated. Make the total number of mangosteens and oranges the same. LCM of 7 and 28 is 28.
Number of more oranges than starfruits
= 25 u - 8 u
= 17 u
17 u = 136
1 u = 136 ÷ 17 = 8
Total number of fruits that Mr Fred sold
= 36 u
= 36 x 8
= 288
Answer(s): 288
