Math midterm review

Front

What is the formula to calculate commission rate?

Back

Commission Rate = (Commission Earned / Total Sales) x 100

Front

If Mr. Robins booked $208.60 worth of airfare and earned $31.29, what is his commission rate?

Back

15%

Front

What is the formula for the circumference of a circle?

Back

Circumference = π x Diameter

Front

A train track measures 6 feet in diameter. What is the distance the train travels?

Back

18.84 ft

Front

What is the formula for the area of a circle?

Back

Area = π x (Radius)^2

Front

If a stadium floor has a diameter of 50 yards, what is its area?

Back

A = 1962.5 yds²

Front

What is sales tax?

Back

A percentage of the sale price added to the total cost.

Front

If Romeo paid $380.75 in car repairs and the sales tax rate is 7.5%, what is a reasonable estimate for the total he paid?

Back

$410.00

Front

What is the formula to calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) x 100

Front

If the number of dogs decreased from 20 to 5, what is the percent of change?

Back

Decrease 75%