Rate and Unit Cost Problems

This video tutorial covers the concept of unit rates through various examples, including calculating cost per slice of pizza, heart rate, triathlon training rates, and more. It also compares costs and speeds in different scenarios, such as water bottles, roller coasters, and train passes. The video aims to teach viewers how to calculate and compare unit rates effectively.

What is the cost per slice of a pizza that costs $16 for 8 slices?

• $1.50

• $3.00

• $2.00

• $2.50

If a heart beats 220 times in 4 minutes, what is the rate in beats per minute?

• 60

• 65

• 55

• 50

Sophia swims 40 meters in 50 seconds. What is her speed in meters per second?

• 0.8

• 0.9

• 0.6

• 0.7

Gia raises $50 after 20 jumps. How much does she raise per jump?

• $3.00

• $2.50

• $2.00

• $1.50

Daris's cell phone bill is $52 every four weeks. How much should he save each week?

• $10

• $12

• $13

• $11

A 12-pound turkey is roasted for 180 minutes. How many minutes per pound is this?

• 10

• 18

• 12

• 15

A submarine sinks 225 feet in 30 seconds. What is its speed in feet per second?

• 5.5

• 6.5

• 7.5

• 8.5

If someone saves $750 a year, how much should they save each month?

• $66.50

• $64.50

• $62.50

• $60.50

Amar earns $64 after 8 hours of work. What is his hourly rate?

• $8

• $6

• $7

• $9

A box of spaghetti has 28 grams of fiber for 8 servings. How much fiber per serving?

• 3.5

• 4.5

• 3.0

• 4.0