Ratios Rates And Percents

An 8-ounce cup of gourmet coffee costs $4.50. If the unit price remain the same, how much would 32 ounces of coffee cost?
*Most specifically, is this a rate, unit rate, WON chart, or percent bar?*

• percent bar

• rate

• WON chart

• unit rate

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

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

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

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

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

Which decimal is equal to 42%

• 0.42

• 0.042

• 4.2

• 42.0

Paul has 16 baseballs and 12 golf balls. What is his ratio of baseballs to golf balls?

A set of 6 pens costs $2.34. What is the unit price per pen, and what is the cost for 20 pens?

• $0.39 per pen; $7.80 for 20 pens

• $0.36 per pen; $7.20 for 20 pens

• $14.04 per pen, $46.80 for 20 pens

• $3.33 per pen; $120 for 20 pens