Exploring Ratio and Proportion Challenges

The video tutorial covers the concepts of ratios, unit rates, and proportions, explaining how to maintain proportionality in various scenarios. It provides methods to calculate costs using ratios, solve proportional problems with charts, and apply these concepts to real-world situations. The tutorial emphasizes multiple approaches to solving problems, ensuring a comprehensive understanding of the material.

If five books cost $45, how much would two books cost?

• $27

• $36

• $18

• $9

Ben spent $72. How many books did he purchase if each book costs $9?

• 8 books

• 6 books

• 9 books

• 7 books

If 3 times 15 gives 45, what is 10 times 15?

• 120

• 100

• 170

• 150

What is the missing number if 12 times 7 is 84 and 9 times 7 is 63?

• 5

• 6

• 7

• 8

If 5 times 1.6 gives 8, what is 2 times 1.6?

• 5.6

• 4.8

• 3.2

• 2.5

A cyclist rides at 22 feet per second. How far will they go in 15 seconds?

• 320 feet

• 350 feet

• 330 feet

• 300 feet

Dale earned $60 for washing 8 cars. How much will he earn for washing 14 cars?

• $90

• $100

• $105

• $110

If 4 miles take 32 minutes, how many miles will take 50 minutes?

• 8.25 miles

• 7.25 miles

• 6.25 miles

• 5.25 miles

There are 15 grams of fat in 4 ounces of ice cream. How many grams of fat are in 30 ounces?

• 112.5 grams

• 100 grams

• 110 grams

• 120 grams

If 15 minutes equals 6 miles, how many minutes will it take to travel 20 miles?

• 60 minutes

• 55 minutes

• 50 minutes

• 45 minutes