Fiona baked strawberry, apple and durian scones. There were one-third as many durian scones as apple scones and an equal number of durian scones as strawberry scones. The cost of each scone is given as shown.
1 durian scone: $1.80
1 apple scone: $1.10
1 strawberry scone: $1.30
If she collected $192 from selling all the scones, how many apple scones were there?
|
Durian |
Apple |
Strawberry |
Ratio of scones |
1 u |
3 u |
1 u |
Cost of 1 scones |
$1.80 |
$1.10 |
$1.30 |
Total Value |
1.8 u |
3.3 u |
1.3 u |
Durian scones : Apple scones : Strawberry scones
1 : 3 : 1
Total amount earned from selling all the scones
= 1.8 u + 3.3 u + 1.3 u
= 6.4 u
6.4 u = 192
1 u = 192 ÷ 6.4 = 30
Number of apple scones
= 3 u
= 3 x 30
= 90
Answer(s): 90