Gem baked mocca, durian and cream croissants. There were one-third as many cream croissants as durian croissants and an equal number of cream croissants as mocca croissants. The cost of each croissant is given as shown.
1 cream croissant: $1.40
1 durian croissant: $1.10
1 mocca croissant: $1.30
If she collected $276 from selling all the croissants, how many durian croissants were there?
|
Cream |
Durian |
Mocca |
Ratio of croissants |
1 u |
3 u |
1 u |
Cost of 1 croissants |
$1.40 |
$1.10 |
$1.30 |
Total Value |
1.4 u |
3.3 u |
1.3 u |
Cream croissants : Durian croissants : Mocca croissants
1 : 3 : 1
Total amount earned from selling all the croissants
= 1.4 u + 3.3 u + 1.3 u
= 6 u
6 u = 276
1 u = 276 ÷ 6 = 46
Number of durian croissants
= 3 u
= 3 x 46
= 138
Answer(s): 138