Cindy had some persimmon and passion fruit face masks.
13 of them were persimmon. She gave away
13 of the persimmon face masks and
16 of the passion fruit face masks. In the end, she had 14 persimmon and passion fruit face masks altogether. How many passion fruit face masks did Cindy have at first?
| |
Persimmon face masks |
Passion Fruit face masks |
Total |
Comparing persimmon and passion fruit face masks
at first |
1x3 =
3 u |
2x3 =
6 u |
3x3 =
9 u |
Before |
3 u |
6x1 =
6 u |
|
Change |
- 1 u |
- 1x1 =
- 1 u |
|
After |
2 u |
5x1 =
5 u |
|
The number of passion fruit face masks at first is repeated. Make the number of passion fruit face masks the same. LCM of 2 and 6 is 6.
Total number of face masks in the end
= 2 u + 5 u
= 7 u
7 u = 14
1 u = 14 ÷ 7 = 2
Number of passion fruit masks at first
= 6 u
= 6 x 2
= 12
Answer(s): 12
