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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset Vaia Explanations$ Math

2nd Edition · 1240 pages

ISBN: 9780998625713

Chapter 3: Q. 109 (page 334)

Tamanika got a raise in her hourly pay, from \(15.50 to \)17.36. Find the percent increase.

Short Answer

Expert verified

Tamanika got a raise of 12% in her hourly pay.

Step by step solution

01

Step. 1 Given Information

Tamanika has been payed hourly and her payment increased from $15.50 to $17.36. Now we have to calculate the percentage increase to help her find how much profit she will gain from this increase.

02

Step. 2 Percentage calculation

The formula to calculate percentage is:

$\frac{T o t a l p r o f i t}{I n c o m e} \times 100 % = \frac{N e w i n c o m e - O l d i n c o m e}{O l d i n c o m e} \times 100 % .$

Therefore,

Percent increase will be:

$= \frac{17.36 - 15.50}{15.50} \times 100 % = \frac{1.86}{15.50} \times 100 % = 0.12 \times 100 % = 12 % .$

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