Abi spent
911 of her money on 10 cookies and 7 scones. If each cookie costs twice as much as a scone, how many cookies could Abi buy with the rest of her money?
| |
Cookies |
Scones |
| Number |
10 |
7 |
| Value |
2 u |
1 u |
| Total value |
20 u |
7 u |
Cost of 1 scone = 1 u
Cost of 1 cookie = 2 u
Total cost of 10 cookies and 7 scones
= 10 x 2 u + 7 x 1 u
= 27 u
Fraction of Abi's money left
= 1 -
911 =
211911 of Abi's money = 27 u
111 of Abi's money = 27 u ÷ 9 = 3 u
211 of Abi's money = 3 u x 2 = 6 u
Number of cookies that Abi could buy
= 6 u ÷ 2 u
= 3
Answer(s): 3
