Q. A scale on a hiking map shows that 3 inches represents 1.25 miles.What number of inches on the map represent 10 actual miles?inches
Identify Ratio on Map: Identify the ratio given by the scale on the map.The scale is 3 inches for every 1.25 miles.
Set Up Proportion: Set up a proportion to find out how many inches represent 10 miles.If 3 inches represent 1.25 miles, then x inches represent 10 miles.So, the proportion is 1.25 miles3 inches=10 milesx inches.
Solve for x: Solve for x by cross-multiplying the proportion.3 inches ∗10 miles = x inches ∗1.25 miles30=1.25x
Divide to Find x: Divide both sides of the equation by 1.25 to solve for x. 1.2530=xx=24
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