Dana spent
56 of her money on some cupcakes and
34 of her remaining money on 9 muffins. Each muffin cost thrice as much as a cupcake. How many cupcakes did she buy?
Cupcakes |
Remaining money |
5x4 |
1x4 |
|
9 Muffins |
Left |
|
3x1 |
1x1 |
20 u |
3 u |
1 u |
Cost of 1 muffin = Cost of 3 cupcakes
(x9)Cost of 9 muffins = Cost of 27 cupcakes
3 u = 27
1 u = 27 ÷ 3 = 9
Number of cupcakes that Dana bought
= 20 u
= 20 x 9
= 180
Answer(s): 180