Ratios and Proportions Test Review

A remote control car can travel at a rate of 30 feet per minute. How many feet per second is this?

A bird can fly at a speed of 22 miles per hour. About how many feet per minute can a bird fly? (1 mile = 5280 feet)

After completing 30 questions Emmy had finished 5/6 of her math homework problems. How many total math problems does she have to complete for homework?

What does the point (2,120) represent?

What does the slope of each line represent?

Which car is traveling faster?

Using the chart, what is the rate of change?

Graph the data and find the slope of the line.

What does the slope represent?

Are the servings proportional to the total calories?

Simplify.

Write as a fraction.

Which size bag of candy is the best deal? (Lowest unit price.)

Size (lb.) Cost ($)

2lb. $7.59

7lb. $27.65

4 lb. $14.88

A recipe for making 3 dozen muffins requires 1.5 cups of flour. At this rate, how many cups of flour are required to make 5 dozen?

A store sells 8 candy bars for $3 and 12 candy bars for $5. Is the cost of the candy bars proportional to the number sold? Why or why not?

Billy can get 12 cookies for $9. At that rate, how much would it cost Billy to buy 20 cookies?