Elyse spent
23 of her money on some cookies and
37 of her remaining money on 6 tarts. Each tart cost twice as much as a cookie. How many cookies did she buy?
Cookies |
Remaining money |
2x7 |
1x7 |
|
6 Tarts |
Left |
|
3x1 |
4x1 |
14 u |
3 u |
4 u |
Cost of 1 tart = Cost of 2 cookies
(x6)Cost of 6 tarts = Cost of 12 cookies
3 u = 12
1 u = 12 ÷ 3 = 4
Number of cookies that Elyse bought
= 14 u
= 14 x 4
= 56
Answer(s): 56