The number of mangoes at a shop was 40% more than the number of pears. After 20% of the pears were sold, there were 9 more mangoes than pears. Find the total number of mangoes and pears at the shop at first.
| |
Mangoes |
Pears |
More |
Total |
| Before |
7 u |
5 u |
|
12 u |
| Change |
|
- 1 u |
|
|
| After |
7 u |
4 u |
3 u |
|
Number of pears at first in percent = 100%
Number of mangoes at first in percent
= 100% + 40%
= 140%
MangoesPears =
140100 =
75Number of pears sold
= 20% x 5 u
=
20100 x 5 u
= 1 u
Number of more mangoes than pears in the end
= 7 u - 4 u
= 3 u
3 u = 9
1 u = 9 ÷ 3 = 3
Total number of pears and mangoes at first
= 7 u + 5 u
= 12 u
= 12 x 3
= 36
Answer(s): 36
