Xylia spent
34 of her money on some wafers and
23 of her remaining money on 6 cupcakes. Each cupcake cost thrice as much as a wafer. How many wafers did she buy?
Wafers |
Remaining money |
3x3 |
1x3 |
|
6 Cupcakes |
Left |
|
2x1 |
1x1 |
9 u |
2 u |
1 u |
Cost of 1 cupcake = Cost of 3 wafers
(x6)Cost of 6 cupcakes = Cost of 18 wafers
2 u = 18
1 u = 18 ÷ 2 = 9
Number of wafers that Xylia bought
= 9 u
= 9 x 9
= 81
Answer(s): 81