PSLELinda made some muffins to sell.
34 of them were sardine muffins and the rest were kaya muffins. After selling 280 kaya muffins and
56 of the sardine muffins, she had
16 of the muffins left. How many muffins did Linda sell?
|
Sardine muffins |
Kaya muffins |
Total |
Comparing sardine muffins and kaya muffins at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 280 |
|
After |
1x1
|
|
|
|
Sardine muffins |
Kaya muffins |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 280 |
|
After
|
1 u
|
2 u - 280
|
16 x 8 u = 113 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 - 280
= 3 u - 280
3 u - 280 = 1
13 u
3 u - 1
13 u = 280
1
23 u = 280
1 u = 280 ÷ 1
23 = 168
Total number of muffins that Linda sold
= 5 u + 280
= 5 x 168 + 280
= 840 + 280
= 1120
Answer(s): 1120