PSLEZara made some puffs to sell.
34 of them were mushroom puffs and the rest were sardine puffs. After selling 182 sardine puffs and
56 of the mushroom puffs, she had
15 of the puffs left. How many puffs did Zara sell?
|
Mushroom puffs |
Sardine puffs |
Total |
Comparing mushroom puffs and sardine puffs at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 182 |
|
After |
1x1
|
|
|
|
Mushroom puffs |
Sardine puffs |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 182 |
|
After
|
1 u
|
2 u - 182
|
15 x 8 u = 135 u |
The number of mushroom puffs at first is repeated. Make the number of mushroom puffs at first the same. LCM of 3 and 6 is 6.
Number of puffs left
= 1 u + 2 u - 182
= 3 u - 182
3 u - 182 = 1
35 u
3 u - 1
35 u = 182
1
25 u = 182
1 u = 182 ÷ 1
25 = 130
Total number of puffs that Zara sold
= 5 u + 182
= 5 x 130 + 182
= 650 + 182
= 832
Answer(s): 832