Aunt Nora made 55 less scones than wafers. After she gave 0.7 of the scones and
25 of the wafers to Xandra, she was left with 84 less scones than wafers. How many wafers did she make?
| |
Scones |
Wafers |
Comparing scones
and wafers at first |
|
55 more |
Before |
10 u |
5x2 + 55 =
10 u + 55 |
Change |
- 7 u |
- 2x2 - 22 =
- 4 u - 22
|
After |
3 u |
3x2 + 33 =
6 u + 33 |
Comparing scones
and wafers in the end |
|
84 more |
0.7 =
710 25 x 55 = 22
Number of wafers that Aunt Nora gave to Xandra = 4 u + 22
If Aunt Nora made another 84 scones in the end, the number of scones and wafers in the end would be the same.
6 u + 33 = 3 u + 84
6 u - 3 u = 84 - 33
3 u = 51
1 u = 51 ÷ 3 = 17
Number of wafers that Aunt Nora made
= 10 u + 55
= 10 x 17 + 55
= 170 + 55
= 225
Answer(s): 225
