Problem Solving with Ratios and Costs

The video tutorial covers various mathematical problems involving cost analysis, time management, and unit rate calculations. It includes comparisons of internet service plans, reading speeds, cooking times, steps taken over distances, and cost analysis of items like rice, glass panes, and plush toy tigers. The tutorial also discusses the calculation of tutors needed for students, taxi fare based on distance, and ingredients required for recipes.

What is the main purpose of this video tutorial?

• To introduce a new lesson.

• To introduce a new topic.

• To continue and complete lesson two.

• To review previous lessons.

If Crystal chooses Plan 1 for a year, how much will she save compared to Plan 2?

• $200

• $120

• $150

• $100

How many pages per hour does Pam read?

• 50 pages

• 45 pages

• 40 pages

• 42 pages

Who finishes making 40 spring rolls faster, Nora or Ellie?

• Both finish at the same time

• Neither finishes

• Ellie

• Nora

Who takes more steps per mile, Megan or David?

• David

• Megan

• Both take the same number of steps

• Not enough information

What is the cost per pair of shoes if the total cost is $29.45 for 5 pairs?

• $6.50

• $6.00

• $5.81

• $5.50

How many tutors are needed for 120 students if 6 tutors are needed for 72 students?

• 8 tutors

• 10 tutors

• 15 tutors

• 12 tutors

What is the cost per mile for a taxi ride if the total cost is $25.20 for 36 miles?

• $1.00

• $0.70

• $0.90

• $0.80

Which company offers the lowest price per tiger if Company A sells 12 tigers for $33.24?

• All have the same price

• Company C

• Company B

• Company A

What was the likely error made by the contractor when calculating the unit price of gloves?

• Multiplied instead of divided

• Divided by 84 instead of 7

• Divided by 7 instead of 84

• Used the wrong price