Barbara baked durian, cream and cheese muffins. There were one-quarter as many cheese muffins as cream muffins and an equal number of cheese muffins as durian muffins. The cost of each muffin is given as shown.
1 cheese muffin: $1.80
1 cream muffin: $1.30
1 durian muffin: $1.10
If she collected $162 from selling all the muffins, how many cream muffins were there?
|
Cheese |
Cream |
Durian |
Ratio of muffins |
1 u |
4 u |
1 u |
Cost of 1 muffins |
$1.80 |
$1.30 |
$1.10 |
Total Value |
1.8 u |
5.2 u |
1.1 u |
Cheese muffins : Cream muffins : Durian muffins
1 : 4 : 1
Total amount earned from selling all the muffins
= 1.8 u + 5.2 u + 1.1 u
= 8.1 u
8.1 u = 162
1 u = 162 ÷ 8.1 = 20
Number of cream muffins
= 4 u
= 4 x 20
= 80
Answer(s): 80