Solve Proportional Relationships

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Is this table proportional?

• Yes

• No

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

How large a roast can Wesley cook in 4 hours using his recipe?

Write your answer as a whole number or decimal.

Mathematical Equivalence

ON

Answer explanation

Tags

7.4.A

The equation for the table is y=9x.  Use the equation to find how much money they would make in 14 hours?

• $155

• $150

• $1.55

• $126

How much will seventy square feet of carpet cost?

• 177

• 105

• 96

• 153

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is the value of a?

• a= 80

• a= 6

• a= 60

• a= 120

The total cost will be $350 in ___ hours.

If you weigh 90 lbs on Earth, how much do you weigh on the moon?

• 14

• 13

• 12

• 15

The number of words Maria typed varied directly with the amount of time she spent typing. If she typed 275 words in 5 minutes, how long would it take her to type 1,100 words?

• 220 minutes

• 20 minutes

• 15 minutes

• 4 minutes