In a box, there are some lemons and passion fruits. If 75 more passion fruits are put into the box, the percentage of lemons will decrease from 80% to 20%. How many lemons are there in the box?
|
Lemons |
Passion fruits |
Before |
4x1 = 4 u |
1x1 = 1 u |
Change |
No change |
+ 75 |
After |
1x4 = 4 u |
4x4 = 16 u |
80% =
80100 =
45 20% =
20100 =
15 The number of lemons remains unchanged at first and in the end. Make the number of lemons the same. LCM of 4 and 1 is 4.
Number of passion fruits added
= 16 u - 1 u
= 15 u
15 u = 75
1 u = 75 ÷ 15 = 5
Number of lemons
= 4 u
= 4 x 5
= 20
Answer(s): 20