Barbara spent
45 of her money on some macarons and
37 of her remaining money on 5 tarts. Each tart cost thrice as much as a macaron. How many macarons did she buy?
Macarons |
Remaining money |
4x7 |
1x7 |
|
5 Tarts |
Left |
|
3x1 |
4x1 |
28 u |
3 u |
4 u |
Cost of 1 tart = Cost of 3 macarons
(x5)Cost of 5 tarts = Cost of 15 macarons
3 u = 15
1 u = 15 ÷ 3 = 5
Number of macarons that Barbara bought
= 28 u
= 28 x 5
= 140
Answer(s): 140