Winnie spent
37 of her money on 4 shortbreads and 7 cookies. If each shortbread costs five times as much as a cookie, how many cookies could Winnie buy with the rest of her money?
|
Shortbreads |
Cookies |
Number |
4 |
7 |
Value |
5 u |
1 u |
Total value |
20 u |
7 u |
Cost of 1 cookie = 1 u
Cost of 1 shortbread = 5 u
Total cost of 4 shortbreads and 7 cookies
= 4 x 5 u + 7 x 1 u
= 27 u
Fraction of Winnie's money left
= 1 -
37 =
4737 of Winnie's money = 27 u
17 of Winnie's money = 27 u ÷ 3 = 9 u
47 of Winnie's money = 9 u x 4 = 36 u
Number of cookies that Winnie could buy
= 36 u ÷ 1 u
= 36
Answer(s): 36