Ratios and Proportions in Word Problems

The video tutorial by Mr. Holcomb covers the concept of ratios using various real-world examples. It begins with a problem involving vehicle registrations and explains how to use ratios to solve it. The tutorial introduces tape diagrams as a visual tool to understand and solve ratio problems. Several examples, including commercial vehicles, smartphone ownership, water bottle sales, report card folding, and concert attendance, are used to illustrate the application of ratios in different contexts.

What is the ratio of passenger cars to pickup trucks registered in August?

• 7 to 5

• 5 to 12

• 5 to 7

• 7 to 12

How many total parts are there in the tape diagram representing cars and trucks?

• 8

• 10

• 12

• 14

If each part of the tape diagram represents 16 vehicles, how many passenger cars were registered?

• 80

• 96

• 112

• 128

In the September vehicle problem, what is the ratio of non-commercial to commercial vehicles?

• 14 to 5

• 5 to 9

• 5 to 14

• 9 to 5

How many more non-commercial vehicles were there compared to commercial vehicles in September?

• 108

• 100

• 128

• 120

What is the ratio of smartphones to flip phones?

• 4 to 3

• 5 to 3

• 3 to 5

• 3 to 4

If there are 500 more smartphones than flip phones, how many smartphones are there?

• 2000

• 1500

• 2500

• 3000

In the water bottle problem, what is the ratio of bottles sold by Sammy to those sold by David?

• 3 to 4

• 3 to 5

• 5 to 3

• 4 to 3

How many water bottles did Sammy sell if the total sold was 160?

• 60

• 120

• 80

• 100

In the report card problem, what is the ratio of report cards folded by Mr. John to those folded by Miss Sifl?

• 2 to 3

• 2 to 1

• 3 to 2

• 1 to 2