The number of oranges at a shop was 30% more than the number of mangosteens. After 40% of the mangosteens were sold, there were 28 more oranges than mangosteens. Find the total number of oranges and mangosteens at the shop at first.
| |
Oranges |
Mangosteens |
More |
Total |
| Before |
13 u |
10 u |
|
23 u |
| Change |
|
- 4 u |
|
|
| After |
13 u |
6 u |
7 u |
|
Number of mangosteens at first in percent = 100%
Number of oranges at first in percent
= 100% + 30%
= 130%
OrangesMangosteens =
130100 =
1310Number of mangosteens sold
= 40% x 10 u
=
40100 x 10 u
= 4 u
Number of more oranges than mangosteens in the end
= 13 u - 6 u
= 7 u
7 u = 28
1 u = 28 ÷ 7 = 4
Total number of mangosteens and oranges at first
= 13 u + 10 u
= 23 u
= 23 x 4
= 92
Answer(s): 92
