Marion baked mocca, cheese and strawberry biscuits. There were one-fifth as many strawberry biscuits as cheese biscuits and an equal number of strawberry biscuits as mocca biscuits. The cost of each biscuit is given as shown.
1 strawberry biscuit: $1.40
1 cheese biscuit: $1.90
1 mocca biscuit: $1.10
If she collected $156 from selling all the biscuits, how many cheese biscuits were there?
|
Strawberry |
Cheese |
Mocca |
Ratio of biscuits |
1 u |
5 u |
1 u |
Cost of 1 biscuits |
$1.40 |
$1.90 |
$1.10 |
Total Value |
1.4 u |
9.5 u |
1.1 u |
Strawberry biscuits : Cheese biscuits : Mocca biscuits
1 : 5 : 1
Total amount earned from selling all the biscuits
= 1.4 u + 9.5 u + 1.1 u
= 12 u
12 u = 156
1 u = 156 ÷ 12 = 13
Number of cheese biscuits
= 5 u
= 5 x 13
= 65
Answer(s): 65