Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller

Exercise 173

Write the following as decimals. (See Examples.)
Writing Fractions as Percents

A marketing manager is given the following data in fraction form and must change the data to percents.
(a)

(b)

(c)

SOLUTION
First write each fraction as a decimal, and then write the decimal as a percent.
(a)

(b)

(c)

Writing Percents as Decimals
To calculate some insurance claims, an insurance agent must change the following percents to decimals.
(a) 35%
(b) 50%
(c) 325%
(d)

Quick.TIP
Change any fraction part of a percent to a decimal before converting from a percent to a decimal.
SOLUTION
Move the decimal point two places to the left and drop the percent sign.
(a).35
(b).5
(c) 3.25
(d).375
Writing Percents as Fractions
Even though smoking is believed to account for 1 of every 5 deaths in the United States, more than 45 million Americans smoke. The bar chart shows the percent of people in each age group that smoke. Convert each percent to a fraction and reduce to lowest terms.

SOLUTION
Write each percent as a decimal and then as a fraction in lowest terms.
(a)

(b)

(c)

(d)