Unit Rate and Proportional Relationships

Terry bought 2 1 2 dozen cookies. She paid $15 for her purchase Terry bought 2 1 2 dozen cookies. She paid $15 for her purchase. If there were 12 cookies in each dozen, what was the cost per cookie? $0.50 per cookie

In which situation is the amount of money earned determined by a proportional relationship? A) An editor charged her clients $1.25 per page for editing. B) A tour guide at a museum was paid a salary of $1,500 for the entire year. C) A dog walker charged her clients a $10 flat- rate monthly fee plus $5 per walk. D) A songwriter was paid a different amount for each song she wrote depending on its popularity. A

A certain laundry detergent recommends 1 4 cup of detergent for a 1 2 load of clothes. How much detergent is recommended for 4 loads of clothes? 2 cups

The number of gallons of gasoline purchased are shown in the table below. What is the price for one gallon of gasoline? $3.25 per gallon

The constant of proportionality for a function is 2 The constant of proportionality for a function is 2. Which of the following graphs BEST represents the situation? Graph A

Edward can run 1 2 mile in 300 seconds Edward can run 1 2 mile in 300 seconds. What is Edward’s unit rate in minutes? 0.1 miles per minute

A hybrid vehicle claims to get 60 miles per gallon in the city A hybrid vehicle claims to get 60 miles per gallon in the city. The cost of gas is $3.60 per gallon. Write an equation to calculate the cost of gas, g, per mile driven, m. G = 0.6m

Sara used 4 1 2 packs of pencils in the first 1 4 of the year Sara used 4 1 2 packs of pencils in the first 1 4 of the year. At what rate is Sara using pencils? 18 packs per year

Brad can type 1260 words in 1 2 hour Brad can type 1260 words in 1 2 hour. What is Brad’s average typing rate in words per minute? 42 words per minute

Write an equation that will calculate the distance, y, Amanda has driven after x hours? Y = 40x

A recipe for 48 biscuits uses 2 2 3 cups of biscuit mix A recipe for 48 biscuits uses 2 2 3 cups of biscuit mix. How many biscuits are made from each cup of biscuit mix? 18 biscuits

An experimental vehicle was able to travel 3 8 mile on 1 16 gallon of water. At this rate, what was the mileage in miles per gallon of water for this vehicle? 6 miles per gallon

The value of y is proportional to x. When x = 3, then y = 15 The value of y is proportional to x. When x = 3, then y = 15. Write an equation that represents the relationship between x and y. Y = 5x

Ms. Gallegos works 8 hours per day. She made $2,400 for working 10 days. How much money does Ms. Gallegos make per hour? $30 per hour

According to this graph, how fast is the train moving in miles per hour?

On a drawing of a house, 2 1 2 inches is equal to 8 1 2 feet of the actual house. How many feet are equal to 1 inch on the drawing? 3.4 feet per inch

Write an equation that represents the amount of time it takes the student to complete j number of jumping jacks. T = 1.25j

Amy baby-sat from 7:30 p. m. to 11:00 p. m. If Amy was paid $15 Amy baby-sat from 7:30 p.m. to 11:00 p.m. If Amy was paid $15.75, how much did she earn per hour? $4.50 per hour