Zara has 2 times as many croissants as Nora. The total number of Zara's and Nora's croissants is 6 times of Tina's. Zara and Nora have 35 croissants more than Tina's. How many less croissants does Tina have than Zara?
| Zara |
Nora |
Tina |
| 2x2 |
1x2 |
|
| 6x1 |
1x1 |
| 4 u |
2 u |
1 u |
The total number of croissants that Zara and Nora have is repeated. Make the total number of croissants that Zara and Nora have the same. LCM of 3 and 6 is 6.
Total number of croissants that Zara and Nora have
= 4 u + 2 u
= 6 u
Number of more croissants that Zara and Nora have than Tina
= 6 u - 1 u
= 5 u
5 u = 35
1 u = 35 ÷ 5 = 7
Number of less croissants that Tina has than Zara
= 4 u - 1 u
= 3 u
= 3 x 7
= 21
Answer(s): 21
