Question

Liz and Dana are planning a summer road trip from Houston to Orlando. • They will travel 963 miles. • Liz wants to fill up the 15-gallon gas tank in the car and get on the road. • Dana wants to make sure they plan an appropriate budget and only pay for as much gas as they will need for the trip to Orlando. They each decide to create a table of data to justify their thinking. Complete the tables below giving the average number of miles they are able to drive using a full tank of gas. Liz's Table Gallons of gas | Number of Miles 5 | 10 | 15 | 270 20 | 25 | 30 | g | Dana's Table Number of Miles | Gallons of gas | | 270 | 15 | | | m | Based on Liz's table, what equation can be used to determine m, the number of miles they could drive with g gallons of gas? m = 18g Based on Dana's table, what equation can be used to determine g, the number of gallons of gas they will need to drive m miles? g = m/18 Communicating about Mathematics Compare and contrast Liz's unit rate with Dana's unit rate.

          Liz and Dana are planning a summer road trip from Houston to Orlando.

• They will travel 963 miles.
• Liz wants to fill up the 15-gallon gas tank in the car and get on the road.
• Dana wants to make sure they plan an appropriate budget and only pay for as much gas as they will need for the trip to Orlando.

They each decide to create a table of data to justify their thinking. Complete the tables below giving the average number of miles they are able to drive using a full tank of gas.

Liz's Table
Gallons of gas | Number of Miles
5 |
10 |
15 | 270
20 |
25 |
30 |
g |

Dana's Table
Number of Miles | Gallons of gas
| 
| 
270 | 15
| 
| 
| 
m | 

Based on Liz's table, what equation can be used to determine m, the number of miles they could drive with g gallons of gas?
m = 18g

Based on Dana's table, what equation can be used to determine g, the number of gallons of gas they will need to drive m miles?
g = m/18

Communicating about Mathematics
Compare and contrast Liz's unit rate with Dana's unit rate.

Liz and Dana are planning a summer road trip from Houston to Orlando.

• They will travel 963 miles.
• Liz wants to fill up the 15-gallon gas tank in the car and get on the road.
• Dana wants to make sure they plan an appropriate budget and only pay for as much gas as they will need for the trip to Orlando.

They each decide to create a table of data to justify their thinking. Complete the tables below giving the average number of miles they are able to drive using a full tank of gas.

Liz's Table
Gallons of gas | Number of Miles
5 |
10 |
15 | 270
20 |
25 |
30 |
g |

Dana's Table
Number of Miles | Gallons of gas
|
|
270 | 15
|
|
|
m |

Based on Liz's table, what equation can be used to determine m, the number of miles they could drive with g gallons of gas?
m = 18g

Based on Dana's table, what equation can be used to determine g, the number of gallons of gas they will need to drive m miles?
g = m/18

Communicating about Mathematics
Compare and contrast Liz's unit rate with Dana's unit rate.

Added by Eva B.

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