Kathy baked apple, blueberry and cream tarts. There were one-third as many cream tarts as blueberry tarts and an equal number of cream tarts as apple tarts. The cost of each tart is given as shown.
1 cream tart: $1.80
1 blueberry tart: $1.80
1 apple tart: $1.60
If she collected $220 from selling all the tarts, how many blueberry tarts were there?
|
Cream |
Blueberry |
Apple |
Ratio of tarts |
1 u |
3 u |
1 u |
Cost of 1 tarts |
$1.80 |
$1.80 |
$1.60 |
Total Value |
1.8 u |
5.4 u |
1.6 u |
Cream tarts : Blueberry tarts : Apple tarts
1 : 3 : 1
Total amount earned from selling all the tarts
= 1.8 u + 5.4 u + 1.6 u
= 8.8 u
8.8 u = 220
1 u = 220 ÷ 8.8 = 25
Number of blueberry tarts
= 3 u
= 3 x 25
= 75
Answer(s): 75