IXL | Percent word problems with money

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Megan wants to buy a calculator. The sale price is $66. What was the original price?

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question

Abdul
has
$70
in
a
savings
account
that
earns
10
%
annually.
The
interest
is
not
compounded.
How
much
interest
will
he
earn
in
1
year?

Use the formula i = prt, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.

key idea

i = prt

i	is the interest earned

p	is the principal (starting amount)

r	is the interest rate expressed as a decimal

t	is the time in years

solution

Write the rate as a decimal.

0.1

Calculate the interest earned.

$70

0.1

The interest will be $7.

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Lesson: Percents

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V.4Percents of numbers and money amounts

Lesson: Percents

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