Xylia baked apple, coffee and cheese scones. There were one-third as many cheese scones as coffee scones and an equal number of cheese scones as apple scones. The cost of each scone is given as shown.
1 cheese scone: $1.70
1 coffee scone: $1.70
1 apple scone: $1.70
If she collected $221 from selling all the scones, how many coffee scones were there?
|
Cheese |
Coffee |
Apple |
Ratio of scones |
1 u |
3 u |
1 u |
Cost of 1 scones |
$1.70 |
$1.70 |
$1.70 |
Total Value |
1.7 u |
5.1 u |
1.7 u |
Cheese scones : Coffee scones : Apple scones
1 : 3 : 1
Total amount earned from selling all the scones
= 1.7 u + 5.1 u + 1.7 u
= 8.5 u
8.5 u = 221
1 u = 221 ÷ 8.5 = 26
Number of coffee scones
= 3 u
= 3 x 26
= 78
Answer(s): 78