PSLEYoko made some croissants to sell.
34 of them were beef croissants and the rest were sardine croissants. After selling 196 sardine croissants and
56 of the beef croissants, she had
15 of the croissants left. How many croissants did Yoko sell?
|
Beef croissants |
Sardine croissants |
Total |
Comparing beef croissants and sardine croissants at first |
3x2 |
1x2 |
4x2
|
Before |
6x1 |
|
|
Change |
- 5x1
|
- 196 |
|
After |
1x1
|
|
|
|
Beef croissants |
Sardine croissants |
Total |
Before |
6 u |
2 u |
8 u
|
Change |
- 5 u
|
- 196 |
|
After
|
1 u
|
2 u - 196
|
15 x 8 u = 135 u |
The number of beef croissants at first is repeated. Make the number of beef croissants at first the same. LCM of 3 and 6 is 6.
Number of croissants left
= 1 u + 2 u - 196
= 3 u - 196
3 u - 196 = 1
35 u
3 u - 1
35 u = 196
1
25 u = 196
1 u = 196 ÷ 1
25 = 140
Total number of croissants that Yoko sold
= 5 u + 196
= 5 x 140 + 196
= 700 + 196
= 896
Answer(s): 896