PSLEEva made some muffins to sell.
34 of them were sardine muffins and the rest were egg muffins. After selling 245 egg muffins and
56 of the sardine muffins, she had
15 of the muffins left. How many muffins did Eva sell?
|
Sardine muffins |
Egg muffins |
Total |
Comparing sardine muffins and egg muffins at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 245 |
|
After |
1x1
|
|
|
|
Sardine muffins |
Egg muffins |
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 sardine muffins at first is repeated. Make the number of sardine muffins at first the same. LCM of 3 and 6 is 6.
Number of muffins 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 muffins that Eva sold
= 5 u + 245
= 5 x 175 + 245
= 875 + 245
= 1120
Answer(s): 1120