Hilda baked durian, apple and blueberry biscuits. There were one-fifth as many blueberry biscuits as apple biscuits and an equal number of blueberry biscuits as durian biscuits. The cost of each biscuit is given as shown.
1 blueberry biscuit: $1.60
1 apple biscuit: $1.10
1 durian biscuit: $1.30
If she collected $210 from selling all the biscuits, how many apple biscuits were there?
|
Blueberry |
Apple |
Durian |
Ratio of biscuits |
1 u |
5 u |
1 u |
Cost of 1 biscuits |
$1.60 |
$1.10 |
$1.30 |
Total Value |
1.6 u |
5.5 u |
1.3 u |
Blueberry biscuits : Apple biscuits : Durian biscuits
1 : 5 : 1
Total amount earned from selling all the biscuits
= 1.6 u + 5.5 u + 1.3 u
= 8.4 u
8.4 u = 210
1 u = 210 ÷ 8.4 = 25
Number of apple biscuits
= 5 u
= 5 x 25
= 125
Answer(s): 125