Question

127.
A mixture of 17 parts of A, 3 parts of B,
and 4 parts of C weigh 72 ounces. How
many ounces of substance B are in this
mixture?​

Answer 1

Answer:

9 ounces of B are in this mixture.

Step-by-step explanation:

Contribution to weight from each part is ,

(72)÷(17+3+4) = (72)÷(24) = 3

As the mixture has 3 parts of B its contribution to weight is

3×3 = 9 ounces