Ratio and Rates with Conversion

Which describes how to find the unit rate for the ratio 20 boxes to 5 people?

• Divide 5 by 20

• Multiply 20 by 5

• 20/5

• Multiply 5 by 20

John took a test and the ratio of the number of problems he got wrong to the number of correct answers was of 2:7.

If he knows that he got 12 questions wrong, How many questions did he get correct?

• 40 questions

• 42 questions

• 35 questions

• 84 questions

Which answer represents the ratio 3:5 as fraction, decimal and percentage?

• 3/5 = 0.60 = 60%

• 5/3 = 0.16 = 16%

• 3/5 = 0.60 = 6%

• 5/3 = 1.16 = 116%

• 80

• 40

• 240

• 180

• 435

• 430

• 264

• 216

• Yes, their decimals are the same.

• No, their decimals are different.

The perimeter of a rectangle is 500 feet and the ratio of the base and height is of 3:2. If the height is 100 feet What is the measure of the base?

• 250 feet

• 200 feet

• 150 feet

• 300 feet

In a batch of 200 apples, 16 are bad. What is the percentage of bad apples in the batch?

• 12%

• 16%

• 10%

• 8%

1 liter = 1000 mililiters

• 2 liters

• 21 liters

• 42 liters

• 42000 liters

1 yard = 3 feet

• 48 feet

• 12 bridesmaids

• 144 feet

• 12 feet