Jade baked apple, strawberry and coffee puffs. There were one-third as many coffee puffs as strawberry puffs and an equal number of coffee puffs as apple puffs. The cost of each puff is given as shown.
1 coffee puff: $1.80
1 strawberry puff: $1.90
1 apple puff: $1.50
If she collected $243 from selling all the puffs, how many strawberry puffs were there?
|
Coffee |
Strawberry |
Apple |
Ratio of puffs |
1 u |
3 u |
1 u |
Cost of 1 puffs |
$1.80 |
$1.90 |
$1.50 |
Total Value |
1.8 u |
5.7 u |
1.5 u |
Coffee puffs : Strawberry puffs : Apple puffs
1 : 3 : 1
Total amount earned from selling all the puffs
= 1.8 u + 5.7 u + 1.5 u
= 9 u
9 u = 243
1 u = 243 ÷ 9 = 27
Number of strawberry puffs
= 3 u
= 3 x 27
= 81
Answer(s): 81