Rates and Unit Prices in Word Problems

This video tutorial covers the transition from understanding ratios to comprehending rates. It begins with an introduction to rates, explaining how they answer the question of 'how much for one.' The tutorial then provides practical examples, such as calculating the cost of diet cola and video games using rates and ratio tables. Finally, it explores the concept of speed and distance through a driving scenario, demonstrating how to calculate rates for different drivers.

What is the primary question that a rate answers?

• How much for one?

• How much for three?

• How much for four?

• How much for two?

If a four-pack of diet cola costs $10, how much does one pack cost?

• $2.75

• $2.00

• $2.25

• $2.50

How much would two packs of diet cola cost if one pack is $2.50?

• $6.00

• $5.50

• $5.00

• $4.50

What is the unit price of a video game if four games cost $65?

• $18.25

• $17.25

• $16.25

• $15.25

What is the rate unit for the video games?

• $16.25 for two games

• $16.25 for three games

• $16.25 for one game

• $16.25 for four games

What two quantities are being compared in the road trip example?

• Speed and distance

• Hours and speed

• Miles and hours

• Miles and gallons

If a car travels at a constant speed of 55 miles per hour, how far will it travel in two hours?

• 110 miles

• 220 miles

• 165 miles

• 55 miles

How far did Andre travel in one hour if he drove 208 miles in four hours?

• 52 miles

• 50 miles

• 53 miles

• 51 miles

What was Mateo's rate if he drove 456 miles in eight hours?

• 59 miles per hour

• 58 miles per hour

• 56 miles per hour

• 57 miles per hour

How many miles did Grayson travel in one hour if he drove 265 miles in five hours?

• 51 miles

• 52 miles

• 53 miles

• 54 miles