Sabrina spent
45 of her money on some cupcakes and
25 of her remaining money on 7 puffs. Each puff cost four times as much as a cupcake. How many cupcakes did she buy?
Cupcakes |
Remaining money |
4x5 |
1x5 |
|
7 Puffs |
Left |
|
2x1 |
3x1 |
20 u |
2 u |
3 u |
Cost of 1 puff = Cost of 4 cupcakes
(x7)Cost of 7 puffs = Cost of 28 cupcakes
2 u = 28
1 u = 28 ÷ 2 = 14
Number of cupcakes that Sabrina bought
= 20 u
= 20 x 14
= 280
Answer(s): 280