Answer
t = 5
Work Step by Step
0.07t + 0.12(t-3) = 0.59
Multiply both sides by 100 to clear the equation of all decimals.
7t + 12(t-3) = 59
Use the distributive property.
7t + 12t - 36 = 59
19t = 95
Divide both sides by 19.
t = 5
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 4 - Proportions, Percents, and Solving Inequalities - Chapter 4 Review Problem Set - Page 184: 42
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