A baking recipe calls for 2.5kg of sugar and 4.5kg of flour. With this recipe some cakes were baked using 24.5kg of a mixture of sugar and flour. How much sugar was used?
A
12.25kg
B
6.75kg
C
8.75kg
D
15.75kg
E
8.25kg
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Sugar : flour = 2.5 : 4.5
Total = 7
sugar used = \(\frac{2.5}{7}\) x 24.5
= \(\frac{61.25}{7}\)
= 8.75
Source: Myschool Past Questions Archive (Record #32599)