Problem Solving with Ratios and Rates

This video tutorial covers the end of Unit 3, focusing on ratios, proportions, unit rates, and percents. It provides a study guide for an upcoming test, with detailed explanations for solving various problems. Students are encouraged to attempt problems independently before reviewing solutions in the video. The tutorial includes practical examples, such as calculating ratios of marbles, snacks, and sports balls, as well as unit prices and percent problems. The video concludes with a summary of the unit's key concepts and a reminder to review the material thoroughly.

What should you do if you miss more than 10 problems on the study guide?

• Ask a friend for help.

• Skip the video and try again.

• Watch the entire video for detailed explanations.

• Only review the problems you got wrong.

What is the simplified ratio of 3 green marbles to 6 red marbles?

• 3:1

• 1:3

• 1:2

• 2:3

If the ratio of sweet to salty snacks is 5:1 and there are 20 salty snacks, how many sweet snacks are there?

• 100

• 120

• 80

• 60

In a class with a ratio of 10 basketballs to 3 soccer balls, how many basketballs are there if the total number of balls is 52?

• 30

• 40

• 20

• 50

What is the equivalent ratio of 6 ties to 10 total items?

• 2:3

• 3:5

• 3:2

• 5:3

What is the simplified ratio of 8 squares to 6 triangles?

• 3:4

• 3:2

• 4:3

• 2:3

Which pizza place offers the best price per pizza?

• Giovanni's

• Luigi's

• Mario's

• Alfredo's

How many miles per gallon did Pablo's family achieve on their road trip?

• 29

• 25

• 27

• 30

How many meters does the roller coaster travel in one second if it covers 2070 meters in 30 seconds?

• 71

• 69

• 70

• 68

What equation would you use to find the cost of apples per pound if M pounds cost N dollars?

• N plus M

• M times N

• N divided by M

• M divided by N