## College Algebra (10th Edition)

Published by Pearson

# Chapter 1 - Section 1.7 - Problem Solving: Interest, Mixture, Uniform Motion, Constant Rate Job Applications - 1.7 Asses Your Understanding: 6

#### Answer

The correct answer is (a).

#### Work Step by Step

Since the two coffees (say, $x$ and $y$) must add up to 100, we have $x+y=100$. Then, coffee $y$ would be $100-x$.

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