Practical Applications of Ratios and Costs

Mr. Richards reviews practice problems for grade 6, unit 2, lesson 10. The video covers various topics including comparing speeds of a slug and a snail, analyzing chocolate flavor in milkshakes, comparing paint mixtures, evaluating tulip bulb pricing, calculating plane speed, determining ground beef costs, and working with spice mix ratios. Each problem is explained with reasoning and calculations, often using ratios and comparisons to find solutions.

Which of the following statements is true about the speeds of the slug and the snail?

• Both travel at the same speed.

• The snail travels twice as fast as the slug.

• The snail is faster than the slug.

• The slug is faster than the snail.

Why does the milkshake with two scoops of chocolate ice cream and one cup of milk have a stronger chocolate flavor?

• It has a higher ratio of chocolate ice cream to milk.

• It has less chocolate ice cream.

• It has more milk.

• It is blended for a longer time.

Which mixture of paint is lighter in shade?

• Mixture A with 5 cups of purple and 2 cups of white.

• Mixture B with 15 cups of purple and 8 cups of white.

• Mixture A is darker than Mixture B.

• Both mixtures are the same shade.

Which store offers a better rate for tulip bulbs?

• Store A with 5 bulbs for $11.

• Both stores offer the same rate.

• Store A is cheaper by 10 cents per bulb.

• Store B with 6 bulbs for $13.

What is the speed of the plane in miles per hour?

• 520 miles per hour

• 500 miles per hour

• 600 miles per hour

• 560 miles per hour

How much does 3 pounds of ground beef cost?

• $20

• $15

• $12.50

• $10

If you have 6 teaspoons of garlic powder, how much more salt is there than garlic powder?

• 3 teaspoons

• 6 teaspoons

• 9 teaspoons

• 5 teaspoons

How much garlic powder is used for 5 teaspoons of salt?

• 4 teaspoons

• 2 teaspoons

• 1 teaspoon

• 3 teaspoons

What is the cost of 3/4 pound of ground beef?

• $3.75

• $4.25

• $3.50

• $3.00

If there are 14 teaspoons of spice mix, how much salt is in it?

• 5 teaspoons

• 10 teaspoons

• 7 teaspoons

• 12 teaspoons