Cindy has 3 times as many scones as Wendy. The total number of Cindy's and Wendy's scones is 6 times of Yoko's. Cindy and Wendy have 30 scones more than Yoko's. How many more scones does Cindy have than Wendy?
| Cindy |
Wendy |
Yoko |
| 3x3 |
1x3 |
|
| 6x2 |
1x2 |
| 9 u |
3 u |
2 u |
The total number of scones that Cindy and Wendy have is repeated. Make the total number of scones that Cindy and Wendy have the same. LCM of 4 and 6 is 12.
Total number of scones that Cindy and Wendy have
= 9 u + 3 u
= 12 u
Number of more scones that Cindy and Wendy have than Yoko
= 12 u - 2 u
= 10 u
10 u = 30
1 u = 30 ÷ 10 = 3
Number of more scones that Cindy has than Wendy
= 9 u - 3 u
= 6 u
= 6 x 3
= 18
Answer(s): 18
