
Equations with Decimals
Your turn to practice some word problems. Here are four problems to show you how to apply what you have learned in this unit to word problems. Be sure to check your answers.
1. Answer the following questions.
a) A car rental company charges \(\$22.75\) per day and \(\$0.15\) per mile. How much does it cost to rent a car for one week to drive a total of \(714\) miles?
2. What number must be multiplied to \(3.801\) to get \(3.804801\)?
3. A pay as you call cell phone company charges \(\$0.50\) per minute for the first \(10\) minutes and \(\$0.12\) for each additional minute. How much will a \(30\) minute phone call cost?
4. A circle has an area of \(16 \pi\ \text{in}^{2}\). What is its diameter?
Source: Algebra2Go, https://www.saddleback.edu/faculty/Lperez/Algebra2Go/prealgebra/decimals/eqDeciHW.pdf
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