Solve the problem mentally. See ExampleWhere Lan lives, a sales tax of 5% is added to all...
Solve the problem mentally. See Example
Where Lan lives, a sales tax of 5% is added to all purchases. If he buys a Blu-ray player that costs $80, how much will he pay for the Blu-ray player, including the tax?
EXAMPLE Using Percent and Fraction Equivalents
Solve each problem.
(a) Marissa bought a jacket with a regular price of $80, on sale at 25% off. How much money will she save? What is the sale price?
(b) Caleb pays $600 per month in rent. If his landlord raises the rent by 15%, how much more will he pay each month? What will his new rent be?
He will pay $60 + $30 = $90 more each month.
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