Question

Jess gave her nail technician a $4.60 tip. The tip was 20% of the cost of the manicure. Write an equation to find b, the cost of the manicure. can be used to find b, the cost of the If all percents are expressed as decimals, the equation manicure

Answer 1

Percents are represented by the following expression:

`\text{Total}\cdot\text{percent (decimal form)=equivalent number to the percent}`

Then, we can isolate the variable Total, to find b the cost of the manicure:

`\begin{gathered} b\cdot0.20=4.60 \\ b=(4.60)/(0.20) \\ b=23 \end{gathered}`

Manicure costs $23.