Review 7th Grade

The cost of 4 liters of gasoline is $20. What is the cost of 7 liters of gasoline?

• 28 dollars

• 35 dollars

• 40 dollars

• 25 dollars

A car travels 60 miles in 2 hours. How far will it travel in 5 hours?

• 20 miles in 5 hours

• 175 miles in 5 hours

• 150 miles in 5 hours

• 125 miles in 5 hours

A shop sells 3 shirts for $45. How much would 7 shirts cost?

• 7 shirts would cost $501 dollars

• 7 shirts would cost $105 dollars

• 7 shirts would cost $55 dollars

• 7 shirts would cost $135 dollars.

If a recipe requires 2 eggs to make 12 pancakes, how many eggs are needed to make 35 pancakes? Please round to ensure eggs are NOT in decimal form.

• 7 eggs are needed to make 35 pankcakes

• 4 eggs are needed to make 35 pancakes

• 8 eggs are needed to make 35 pancakes

• 6 eggs are needed to make 35 pancakes

A company produces 250 units of a product in 5 days. How many units will they produce in 10 days?

• 500 units in 10 days

• 700 units in 10 days

• 300 units in 9 days

• 450 units in 9/10 days

The table above represents the constant proportionality relationship between the number of apples and oranges in a fruit basket.

Part A: What is the proportion of oranges to apples?

 

The cost of apple pies (Y) at a bakery is directly proportional to the number of pies (X) purchased.

X: 1, 2, 3, 4, 5 (number of apple pies purchased)

Y: $10, $20, $30, $40, $50 (cost of apple pies)

Create a line graph on paper, to illustrate the proportional relationship between the number of apple pies purchased (x) and the cost of apple pies (y).

 

What is the constant of proportionality in the table below?

• 25

• 50

• 100

• 200