Xuan baked pandan, cheese and banana biscuits. There were one-third as many banana biscuits as cheese biscuits and an equal number of banana biscuits as pandan biscuits. The cost of each biscuit is given as shown.
1 banana biscuit: $1.50
1 cheese biscuit: $1.30
1 pandan biscuit: $1.60
If she collected $175 from selling all the biscuits, how many cheese biscuits were there?
|
Banana |
Cheese |
Pandan |
Ratio of biscuits |
1 u |
3 u |
1 u |
Cost of 1 biscuits |
$1.50 |
$1.30 |
$1.60 |
Total Value |
1.5 u |
3.9 u |
1.6 u |
Banana biscuits : Cheese biscuits : Pandan biscuits
1 : 3 : 1
Total amount earned from selling all the biscuits
= 1.5 u + 3.9 u + 1.6 u
= 7 u
7 u = 175
1 u = 175 ÷ 7 = 25
Number of cheese biscuits
= 3 u
= 3 x 25
= 75
Answer(s): 75