Shiyun spent
12 of her money on some wafers and
47 of her remaining money on 9 scones. Each scone cost four times as much as a wafer. How many wafers did she buy?
Wafers |
Remaining money |
1x7 |
1x7 |
|
9 Scones |
Left |
|
4x1 |
3x1 |
7 u |
4 u |
3 u |
Cost of 1 scone = Cost of 4 wafers
(x9)Cost of 9 scones = Cost of 36 wafers
4 u = 36
1 u = 36 ÷ 4 = 9
Number of wafers that Shiyun bought
= 7 u
= 7 x 9
= 63
Answer(s): 63