Jen baked cream, apple and coffee biscuits. There were one-third as many coffee biscuits as apple biscuits and an equal number of coffee biscuits as cream biscuits. The cost of each biscuit is given as shown.
1 coffee biscuit: $1.80
1 apple biscuit: $1.80
1 cream biscuit: $1.80
If she collected $270 from selling all the biscuits, how many apple biscuits were there?
|
Coffee |
Apple |
Cream |
Ratio of biscuits |
1 u |
3 u |
1 u |
Cost of 1 biscuits |
$1.80 |
$1.80 |
$1.80 |
Total Value |
1.8 u |
5.4 u |
1.8 u |
Coffee biscuits : Apple biscuits : Cream biscuits
1 : 3 : 1
Total amount earned from selling all the biscuits
= 1.8 u + 5.4 u + 1.8 u
= 9 u
9 u = 270
1 u = 270 ÷ 9 = 30
Number of apple biscuits
= 3 u
= 3 x 30
= 90
Answer(s): 90