Jean baked apple, cheese and durian puffs. There were one-quarter as many durian puffs as cheese puffs and an equal number of durian puffs as apple puffs. The cost of each puff is given as shown.
1 durian puff: $1.10
1 cheese puff: $1.50
1 apple puff: $1.10
If she collected $164 from selling all the puffs, how many cheese puffs were there?
|
Durian |
Cheese |
Apple |
Ratio of puffs |
1 u |
4 u |
1 u |
Cost of 1 puffs |
$1.10 |
$1.50 |
$1.10 |
Total Value |
1.1 u |
6 u |
1.1 u |
Durian puffs : Cheese puffs : Apple puffs
1 : 4 : 1
Total amount earned from selling all the puffs
= 1.1 u + 6 u + 1.1 u
= 8.2 u
8.2 u = 164
1 u = 164 ÷ 8.2 = 20
Number of cheese puffs
= 4 u
= 4 x 20
= 80
Answer(s): 80