Joelle would like to tip her hairdresser 20%. If her haircut costs $38. 00, which expression should she use to find the tip amou
1 answer:
The expression Joelle should use to find the tip amount is 38(0.20).
<h2>Expression </h2>In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.
<h2>Given to us</h2>Percentage tip of Joelle hairdresser = 20%,
Joelle's haircut costs = $38,
<h3>Percentage Conversion</h3>As we know that percentage shows a part of something, therefore,
Hence, the expression Joelle should use to find the tip amount is 38(0.20).
Learn more about expression:
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Solution
Step 1:
Write the lateral surface area or curved surface area of a cylinder:
Step 2:
Write the given data
Height h = 8ft
Radius r = 4 ft
Step 3:
Substitute in the formula to find the lateral surface area.
Final answer
201.1