Example No 1:-
Find the cost per pound of a coffee mixture made from 10 lb of coffee that cost 720 per pound and 12lbof coffee that cost 14.50 per pound.
Solution:
Realizing that we have 20lb of coffee in the mixture and using x as the price per pound of the coffee mixture we get from equation :
(10 * 7.20) + (12 * 14.50) = 22 * X
72 + 174 = 22X
X = $11.18
Answer:
The solution for the given word problem is $11.18
You need to solve math problem quickly and taking no time.
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