The actual height of lighthouse is 154 feet.
Step-by-step explanation:
Given,
Length of scale drawing = [tex]9\frac{5}{8} = \frac{77}{8}\ inches[/tex]
Scale used in drawing;
5 inches = 80 feet
1 inch = [tex]\frac{80}{5}\ feet =16 feet[/tex]
[tex]\frac{77}{8}\ inches = 16*\frac{77}{8}\\\\\frac{77}{8}\ inches = 2*77\\\\\frac{77}{8}\ inches = 154\ feet[/tex]
The actual height of lighthouse is 154 feet.
Keywords: unit rate, multiplication
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