Unit 2 Review

Here are three different recipes for Orangey-Pineapple Juice. Two of these mixtures taste the same and one tastes different.

Recipe 1: Mix 3 cups of orange juice with 1 cups of pineapple juice.

Recipe 2: Mix 4 cups of orange juice with 2 cups of pineapple juice.

Recipe 3: Mix 9 cups of orange juice with 3 cups of pineapple juice.

Which recipe will taste different?

How many cups of yellow paint should you mix with 1 cup of blue paint to make the same shade of green?

What is the proportional relationship represented by this table?

What is the constant of proportionality in this table?

Mai is filling her fish tank. Water flows into the tank at a constant rate.

How many gallons of water will be in the the fish tank after 3 minutes?

Mai is filling her fish tank. Water flows into the tank at a constant rate.

What is the constant of proportionality?

Snow is falling steadily in Portsmouth, New Hampshire. After 2 hours, 6 inches of snow has fallen.

If it continues to snow at the same rate, how many inches would you expect after 5 hours?

Snow is falling steadily in Portsmouth, New Hampshire. After 2 hours, 6 inches of snow has fallen.

Write an equation that gives the amount of snow that has fallen after x hours at this rate.

 An albatross is a large bird that can fly 400 kilometers in 8 hours at a constant speed. Using d for distance in kilometers and t for number of hours, an equation that represents this situation is $d=50t$ .

What are the two constants of proportionality for the relationship between distance in kilometers and number of hours?

Based on the information in the table, is the cost of apples proportional to the weight of apples?