Mrs Valen baked
12 as many blueberry cookies as banana cookies. She also baked
25 as many blueberry cookies as cranberry cookies. If she baked a total of 66 cookies, how many blueberry cookies did she bake?
Blueberry |
Banana |
Cranberry |
1x2 |
2x2 |
|
2x1 |
|
5x1 |
2 u |
4 u |
5 u |
The number of blueberry cookies is the repeated identity. Make the number of blueberry cookies the same. LCM of 1 and 2 is 2.
Total number of cookies
= 2 u + 4 u + 5 u
= 11 u
11 u = 66
1 u = 66 ÷ 11 = 6
Number of blueberry cookies
= 2 u
= 2 x 6
= 12
Answer(s): 12