Proportionality Practice 7th

If three gallons of milk are $10.50, how much for one gallon of milk?

• $3.00

• $7.00

• $3.50

• $5.25

If your mom is driving 34 miles per hour, how far will she get in 12 hours?

• 408miles

• 46miles

• 2.83miles

• 410miles

If a car uses 10 gallons of gas traveling 140 miles, how many gallons would be used when traveling 28 miles? (Set up a table).

• 280 gallons

• 2 gallons

• 14 gallons

• 48 gallons

• 9 players per team

• 12 players per team

• 10 players per team

• 11 players per team

When Amy works out for 1 hour she burns 240 calories. What is the constant of proportionality for the amount of calories she burns?

• 40 calories per minute

• 4 calories per minute

• 15 calories per minute

• 60 calories per minute

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed?

• y = 65x

• y = 60x

• y = 40x

• y = 25x

Which of the following equations represents the total cost, C, for the number of sandwiches, S, where each sandwich costs $7?

• S = 7c

• S = 7/c

• C = 7s

• C = 7+s

Which equation represents a proportional equation?

• y = kx

• y = mx+b

• y = x

• None of these represent a proportional equation.

How do you know if a graph is proportional or not?

• The line on the graph is straight.

• The line on the graph goes up.

• The line on the graph starts at (0,0) or the origin.

Does this graph show a proportional relationship?

• Yes

• No