Question

Joelle would like to tip her hairdresser 20%. If her haircut costs $38. 00, which expression should she use to find the tip amount? (0. 02) (38) (0. 2) (38) (1. 2) (38) (20) (38).

Answer 1

The expression Joelle should use to find the tip amount is 38(0.20).

Expression

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.  

Given to us

Percentage tip of Joelle hairdresser = 20%,

Joelle's haircut costs = $38,

Percentage Conversion

As we know that  percentage shows a part of something, therefore,

$20\%\ of\ \ 38\\= 20\% \times 38\\\\= \dfrac{20}{100}\times 38\\\\= 0.2 \times 38$

Hence, the expression Joelle should use to find the tip amount is 38(0.20).

Learn more about expression:

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