Linda baked mocca, coffee and pandan shortbreads. There were one-quarter as many pandan shortbreads as coffee shortbreads and an equal number of pandan shortbreads as mocca shortbreads. The cost of each shortbread is given as shown.
1 pandan shortbread: $1.50
1 coffee shortbread: $1.20
1 mocca shortbread: $1.20
If she collected $240 from selling all the shortbreads, how many coffee shortbreads were there?
|
Pandan |
Coffee |
Mocca |
Ratio of shortbreads |
1 u |
4 u |
1 u |
Cost of 1 shortbreads |
$1.50 |
$1.20 |
$1.20 |
Total Value |
1.5 u |
4.8 u |
1.2 u |
Pandan shortbreads : Coffee shortbreads : Mocca shortbreads
1 : 4 : 1
Total amount earned from selling all the shortbreads
= 1.5 u + 4.8 u + 1.2 u
= 7.5 u
7.5 u = 240
1 u = 240 ÷ 7.5 = 32
Number of coffee shortbreads
= 4 u
= 4 x 32
= 128
Answer(s): 128