IXL | Multi-step problems with percents

In Richmond, Chloe ordered $40 worth of sushi. She knew that when the bill came, she would need to pay Richmond sales tax of 5% and would want to leave a 20% tip on the original $40. Including tax and tip, how much did Chloe's meal cost?

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Learn with an example

question

A trampoline was originally priced at $100 but went on sale for 60% off. If Emmett bought the trampoline and paid 5% sales tax, how much did he pay in total?

key idea

Discount formulas:

discount price

original price

–

discount

discount percentage

original price

Tax formula:

tax

tax percentage

amount

solution

First find the discount price. Write 60% as the decimal 0.60 before using it in the equation.

discount price

original price

–

discount

100

–

0.60

100

–

The discount price was

Now find the tax. Write 5% as the decimal 0.05 before using it in the equation.

tax

tax percentage

amount

0.05

The tax was

Finally, find the total cost.

total cost

discount price

tax

The total cost was

Looking for more? Try these:

Lesson: Percent change

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Teacher tools

Work it out

Not feeling ready yet? These can help:

P.6Percent of a number: tax, discount, and more

O.8Solve percent equations

D.1Add and subtract decimals

Lesson: Percent change

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