PSLEGillian made some muffins to sell.
34 of them were sardine muffins and the rest were beef muffins. After selling 203 beef muffins and
56 of the sardine muffins, she had
15 of the muffins left. How many muffins did Gillian sell?
|
Sardine muffins |
Beef muffins |
Total |
Comparing sardine muffins and beef muffins at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 203 |
|
After |
1x1
|
|
|
|
Sardine muffins |
Beef muffins |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 203 |
|
After
|
1 u
|
2 u - 203
|
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 - 203
= 3 u - 203
3 u - 203 = 1
35 u
3 u - 1
35 u = 203
1
25 u = 203
1 u = 203 ÷ 1
25 = 145
Total number of muffins that Gillian sold
= 5 u + 203
= 5 x 145 + 203
= 725 + 203
= 928
Answer(s): 928