Concept explainers
To find: Amount of both coffee beans used.
Answer to Problem 6MPS
The coffee beans of worth $6/kg is 12kg, and the coffee beans of worth $8.80/kg is 4kg in mixture.
Explanation of Solution
Given information:
- Coffee beans worth $6/kg and with another coffee beans worth $8.80/kg.
- The new mixture of 16kg worth $6.70/kg.
Let weight of first coffee bean:
Let weight of second coffee bean:
As, total weight of mixture is 16kg.
So,
Total price of mixture is 6.70kg.
So,
Solving equation 1 and 2,
Substituting value of x from equation 1 to equation 2.
Putting value of y in equation 1,
The coffee beans of worth $6/kg is 12kg, and the coffee beans of worth $8.80/kg is 4kg in mixture.
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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