Zoe baked apple, pandan and strawberry muffins. There were one-third as many strawberry muffins as pandan muffins and an equal number of strawberry muffins as apple muffins. The cost of each muffin is given as shown.
1 strawberry muffin: $1.20
1 pandan muffin: $1.70
1 apple muffin: $1.50
If she collected $156 from selling all the muffins, how many pandan muffins were there?
|
Strawberry |
Pandan |
Apple |
Ratio of muffins |
1 u |
3 u |
1 u |
Cost of 1 muffins |
$1.20 |
$1.70 |
$1.50 |
Total Value |
1.2 u |
5.1 u |
1.5 u |
Strawberry muffins : Pandan muffins : Apple muffins
1 : 3 : 1
Total amount earned from selling all the muffins
= 1.2 u + 5.1 u + 1.5 u
= 7.8 u
7.8 u = 156
1 u = 156 ÷ 7.8 = 20
Number of pandan muffins
= 3 u
= 3 x 20
= 60
Answer(s): 60