Topic 3 Review 7th grade

Front

What is the percentage of 7th graders who like country music?

Back

80% of 7th graders like country music.

Front

What is the percentage of 8th graders who like country music?

Back

60% of 8th graders like country music.

Front

How do you calculate the total tax on a purchase?

Back

Total Tax = Price of Item x Tax Rate.

Front

What is the tax amount on a $899 TV with a 6.5% tax rate?

Back

$58.44.

Front

What is percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value x 100%.

Front

If Austin thought he was going 70mph but was actually going 86mph, what is his percent error?

Back

18.6%.

Front

How do you calculate the total bill including tax?

Back

Total Bill = Meal Cost + (Meal Cost x Tax Rate).

Front

What is the total bill for a $22.50 meal with a 9% tax?

Back

$24.53.

Front

What is simple interest?

Back

Simple Interest = Principal x Rate x Time.

Front

If AJ paid $240 in interest on a 4-year loan at 4%, how much did he borrow?

Back

$1500.