Elyse spent
12 of her money on some wafers and
47 of her remaining money on 7 shortbreads. Each shortbread cost four times as much as a wafer. How many wafers did she buy?
Wafers |
Remaining money |
1x7 |
1x7 |
|
7 Shortbreads |
Left |
|
4x1 |
3x1 |
7 u |
4 u |
3 u |
Cost of 1 shortbread = Cost of 4 wafers
(x7)Cost of 7 shortbreads = Cost of 28 wafers
4 u = 28
1 u = 28 ÷ 4 = 7
Number of wafers that Elyse bought
= 7 u
= 7 x 7
= 49
Answer(s): 49