Jen baked pandan, blueberry and cheese scones. There were one-third as many cheese scones as blueberry scones and an equal number of cheese scones as pandan scones. The cost of each scone is given as shown.
1 cheese scone: $1.20
1 blueberry scone: $1.10
1 pandan scone: $1.50
If she collected $258 from selling all the scones, how many blueberry scones were there?
|
Cheese |
Blueberry |
Pandan |
Ratio of scones |
1 u |
3 u |
1 u |
Cost of 1 scones |
$1.20 |
$1.10 |
$1.50 |
Total Value |
1.2 u |
3.3 u |
1.5 u |
Cheese scones : Blueberry scones : Pandan scones
1 : 3 : 1
Total amount earned from selling all the scones
= 1.2 u + 3.3 u + 1.5 u
= 6 u
6 u = 258
1 u = 258 ÷ 6 = 43
Number of blueberry scones
= 3 u
= 3 x 43
= 129
Answer(s): 129