OpenStax, Contemporary Mathematics §5.4 Ratios and Proportions · Example 7 · Algebra · Ratio, proportion & variation
Ratios and Proportions · Example 7
Zac runs at a constant speed: 4 miles per hour (mph). One day, Zac left his house at exactly noon (12:00 PM) to begin running; when he returned, his clock said 4:30 PM. How many miles did he run?
OpenStax, Contemporary Mathematics · §5.4 Ratios and Proportions · Example 7
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