PSLEElyse made some muffins to sell.
34 of them were egg muffins and the rest were kaya muffins. After selling 210 kaya muffins and
56 of the egg muffins, she had
16 of the muffins left. How many muffins did Elyse sell?
|
Egg muffins |
Kaya muffins |
Total |
Comparing egg muffins and kaya muffins at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 210 |
|
After |
1x1
|
|
|
|
Egg muffins |
Kaya muffins |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 210 |
|
After
|
1 u
|
2 u - 210
|
16 x 8 u = 113 u |
The number of egg muffins at first is repeated. Make the number of egg muffins at first the same. LCM of 3 and 6 is 6.
Number of muffins left
= 1 u + 2 u - 210
= 3 u - 210
3 u - 210 = 1
13 u
3 u - 1
13 u = 210
1
23 u = 210
1 u = 210 ÷ 1
23 = 126
Total number of muffins that Elyse sold
= 5 u + 210
= 5 x 126 + 210
= 630 + 210
= 840
Answer(s): 840