Unit 1 Part 1 Unit Recovery

Question 1

Find the length and width of a newer 72” TV with a ratio of 16:9.

Question 2

Find the length and width of a newer 32” TV with a ratio of 16:9.

Question 3

Find the length and width of a older 50” TV with a ratio of 4:3.

Question 4

Find the diameter of a P230/65R15 tire in inches. Round answer to the hundredths place.

Question 5

If you replaced the stock tired on your car with larger tires size P245/70R16, what is the circumference in inches of the larger tire?

Question 6

If your speedometer reading is 45 mph, but your tires are larger than factory-installed tires,how fast is your SUV actually moving? The circumference of the factory-installed tires should be 88.3 inches, but they are 105.7 inches around.

Question 7

A crowd is lined up on the sidewalk that is 11 feet deep on both sides of a 1.3 mile section of the parade route. One rule of thumb estimating crowds is that each person occupies 2.5 square feet. How many people are standing on the sidewalk along the 1.3 mile section of the parade route?

Question 8

One rule of thumb for estimating crowds is that each person occupies 2.225 square feet. Use this rule to estimate the size of the crowd watching a parade along a 4-mile route with the crowd being 12 feet deep on each side of the street.

Question 9

When the rope drops at Disney, 130 people entered every 5 minutes. At this rate, how many people would be in the park after 25 minutes?