PSLEShannon made some puffs to sell.
34 of them were egg puffs and the rest were kaya puffs. After selling 245 kaya puffs and
56 of the egg puffs, she had
15 of the puffs left. How many puffs did Shannon sell?
|
Egg puffs |
Kaya puffs |
Total |
Comparing egg puffs and kaya puffs at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 245 |
|
After |
1x1
|
|
|
|
Egg puffs |
Kaya puffs |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 245 |
|
After
|
1 u
|
2 u - 245
|
15 x 8 u = 135 u |
The number of egg puffs at first is repeated. Make the number of egg puffs at first the same. LCM of 3 and 6 is 6.
Number of puffs left
= 1 u + 2 u - 245
= 3 u - 245
3 u - 245 = 1
35 u
3 u - 1
35 u = 245
1
25 u = 245
1 u = 245 ÷ 1
25 = 175
Total number of puffs that Shannon sold
= 5 u + 245
= 5 x 175 + 245
= 875 + 245
= 1120
Answer(s): 1120