Lynn spent
12 of her money on some tarts and
47 of her remaining money on 6 wafers. Each wafer cost twice as much as a tart. How many tarts did she buy?
Tarts |
Remaining money |
1x7 |
1x7 |
|
6 Wafers |
Left |
|
4x1 |
3x1 |
7 u |
4 u |
3 u |
Cost of 1 wafer = Cost of 2 tarts
(x6)Cost of 6 wafers = Cost of 12 tarts
4 u = 12
1 u = 12 ÷ 4 = 3
Number of tarts that Lynn bought
= 7 u
= 7 x 3
= 21
Answer(s): 21