Barbara baked mocca, durian and pandan tarts. There were half as many pandan tarts as durian tarts and an equal number of pandan tarts as mocca tarts. The cost of each tart is given as shown.
1 pandan tart: $1.90
1 durian tart: $1.40
1 mocca tart: $1.50
If she collected $248 from selling all the tarts, how many durian tarts were there?
|
Pandan |
Durian |
Mocca |
Ratio of tarts |
1 u |
2 u |
1 u |
Cost of 1 tarts |
$1.90 |
$1.40 |
$1.50 |
Total Value |
1.9 u |
2.8 u |
1.5 u |
Pandan tarts : Durian tarts : Mocca tarts
1 : 2 : 1
Total amount earned from selling all the tarts
= 1.9 u + 2.8 u + 1.5 u
= 6.2 u
6.2 u = 248
1 u = 248 ÷ 6.2 = 40
Number of durian tarts
= 2 u
= 2 x 40
= 80
Answer(s): 80