Erika spent
56 of her money on some macarons and
23 of her remaining money on 9 tarts. Each tart cost twice as much as a macaron. How many macarons did she buy?
Macarons |
Remaining money |
5x3 |
1x3 |
|
9 Tarts |
Left |
|
2x1 |
1x1 |
15 u |
2 u |
1 u |
Cost of 1 tart = Cost of 2 macarons
(x9)Cost of 9 tarts = Cost of 18 macarons
2 u = 18
1 u = 18 ÷ 2 = 9
Number of macarons that Erika bought
= 15 u
= 15 x 9
= 135
Answer(s): 135