### All Common Core: 7th Grade Math Resources

## Example Questions

### Example Question #21 : Ratios & Proportional Relationships

David walks of a mile in of an hour. If he continues this rate, what is David's speed in miles per hour

**Possible Answers:**

**Correct answer:**

The phrase "miles per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have miles, , divided by hours, :

Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.

Therefore:

David can walk at a speed of:

### Example Question #22 : Ratios & Proportional Relationships

Jenni drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Jenni drink?

**Possible Answers:**

**Correct answer:**

The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :

Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.

Therefore:

Jenni drinks

### Example Question #23 : Ratios & Proportional Relationships

Lisa drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Lisa drink?

**Possible Answers:**

**Correct answer:**

The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :

Remember that when we divide fractions, we can simply multiply by the reciprocal of the denominator to solve.

Therefore:

Lisa drinks

### Example Question #24 : Ratios & Proportional Relationships

Molly drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Molly drink?

**Possible Answers:**

**Correct answer:**

The phrase "liters per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have liters, , divided by hours, :

Therefore:

Molly drinks

### Example Question #25 : Ratios & Proportional Relationships

Emily drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Emily drink?

**Possible Answers:**

**Correct answer:**

Therefore:

Emily drinks

### Example Question #26 : Ratios & Proportional Relationships

Leah drinks of a liter of water in of an hour. If she continues this rate, how many liters per hour does Leah drink?

**Possible Answers:**

**Correct answer:**

Therefore:

Leah drinks

### Example Question #27 : Ratios & Proportional Relationships

Judy eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?

**Possible Answers:**

**Correct answer:**

The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :

Therefore:

Judy can eat

### Example Question #28 : Ratios & Proportional Relationships

Nancy eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?

**Possible Answers:**

**Correct answer:**

The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :

Therefore:

Nancy can eat

### Example Question #29 : Ratios & Proportional Relationships

Shellie eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?

**Possible Answers:**

**Correct answer:**

The phrase "per hour" gives us a clue that we are going to divide. In this problem, we can replace the word "per" with a division sign; therefore, we will have amount of chips, , divided by hours, :

Therefore:

Shellie can eat

### Example Question #30 : Ratios & Proportional Relationships

Lilly eats of a bag of chips in of an hour. If she continues this rate, how much of the bag can she eat per hour?

**Possible Answers:**

**Correct answer:**

Therefore:

Lilly can eat