The number of vanilla scones Oliver baked was
35 of the total number of scones. After baking another 18 vanilla scones, the number of vanilla scones became
67 of the total number of scones. How many scones did she bake at first?
| |
Vanilla scones |
Other scones |
Total scones |
| Before |
3 u |
2 u |
5 u |
| Change |
+ 18 |
|
|
| After |
6x2 =
12 u |
1x2 =
2 u |
7x2 =
14 u |
The number of other scones remains unchanged. Make the number of other scones the same. LCM of 2 and 1 is 2.
Number of more vanilla scones baked
= 12 u - 3 u
= 9 u
9 u = 18
1 u = 18 ÷ 9 = 2
Number of scones that Oliver baked at first
= 5 u
= 5 x 2
= 10
Answer(s): 10
