Natalie spent
12 of her money on some cupcakes and
37 of her remaining money on 6 wafers. Each wafer cost thrice as much as a cupcake. How many cupcakes did she buy?
Cupcakes |
Remaining money |
1x7 |
1x7 |
|
6 Wafers |
Left |
|
3x1 |
4x1 |
7 u |
3 u |
4 u |
Cost of 1 wafer = Cost of 3 cupcakes
(x6)Cost of 6 wafers = Cost of 18 cupcakes
3 u = 18
1 u = 18 ÷ 3 = 6
Number of cupcakes that Natalie bought
= 7 u
= 7 x 6
= 42
Answer(s): 42