Rates and Percent

Shelby purchased a coat for $101.50 that was regularly priced at $145, not including tax. What percent did Shelby save by purchasing that coat on sale?
*Is this a percent increase, percent decrease, sales tax, or income tax?*

• sales tax

• percent increase

• income tax

• percent decrease

Holly and her 2 best friends go to dinner. their total bill is $31.84. They use a coupon for 15% off the total. If they split the bill evenly, how much money will each person owe, to the nearest cent?
*how would i go about solving this?*

• multiply the total bill by two and add 15

• calculate a 15% increase and divide the new total by 2

• calculate a 15% decrease and divide the new total by 2

• find 15% of the total bill and divide it by 2

Orlando buys a shirt for $15 and a pair of jeans for $32.50. If the sales tax is 8%, what is the total price Orlando pays for the items?
*Is this a percent increase, percent decrease, percent change, or discount?*

• percent change

• discount

• percent increase

• percent decrease

Last year, the seventh grade enrollment at Main middle school was 612 students. This year, the enrollment dropped to 489 students. Which best reflects the percent change in enrollment at Main Middle School from last year to this year?
*Is this a percent increase, percent decrease, percent change, or discount?*

• percent decrease

• percent change

• discount

• percent increase

The sales tax rate in Jan's town is 7.5%. If she buys 3 lamps for $23.59 each and a sofa for $769.99, how much tax does sh owe?
*Which are the correct steps to solve this question?*

• divide the price of the laps by 3, add the sofa's price, then calculate a 7.5% decrease

• multiply the price of the lamps by 3, add the sofa's price, then calculate a 7.5% increase

• add the price of the lamps to 3 times the price of the sofa

• subtract the price of the lamps from the sofa, then find the 7.5% decrease

A store decreases the price of an item from $120 to $96. What was the percent decrease?
*This would be commonly called what?*

• discount

• sales tax

• income tax

• fees

Kimberly was walking at a rate of 3 miles per hour. At this rate, how far could we expect her to walk in 6 hours? 
*Which choices shows the correct way to set up the proportion to solve this question?*

• 3⁄1=6⁄_x

• 1⁄3=^x⁄6

• 3⁄6=^x⁄1

• 3⁄1=^x⁄6

Simplify the ratio into a unit rate: 14⁄35
*How do we make this a unit rate?*

• divide numerator and denominator by the denominator

• divide the numerator and denominator by the numerator

• multiply the numerator and denominator by the numerator

• multiply the numerator and denominator by the denominator

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?
*What does it mean by unit rate?*

• hours per dollar

• simplify 8⁄200

• multiply 8 by 200

• dollars per hour

100% of a number is

• equal to the number

• .1 of the number

• 100 times the number

• 1/2 of the number