Lynn had some lemon and pomegranate face masks.
15 of them were lemon. She gave away
13 of the lemon face masks and
16 of the pomegranate face masks. In the end, she had 168 lemon and pomegranate face masks altogether. How many pomegranate face masks did Lynn have at first?
| |
Lemon face masks |
Pomegranate face masks |
Total |
Comparing lemon and pomegranate face masks
at first |
1x3 =
3 u |
4x3 =
12 u |
5x3 =
15 u |
Before |
3 u |
6x2 =
12 u |
|
Change |
- 1 u |
- 1x2 =
- 2 u |
|
After |
2 u |
5x2 =
10 u |
|
The number of pomegranate face masks at first is repeated. Make the number of pomegranate face masks the same. LCM of 4 and 6 is 12.
Total number of face masks in the end
= 2 u + 10 u
= 12 u
12 u = 168
1 u = 168 ÷ 12 = 14
Number of pomegranate masks at first
= 12 u
= 12 x 14
= 168
Answer(s): 168
