54 ◆ Problem Types Across the Curriculum
Figure 3.23 A Trip to Colorado
Driving from Los Angeles, California, to Denver, Colorado, takes
15 hours and 18 minutes. It is about 1,018 miles, or 1,638 km, to drive one
way. The Smiths are taking a summer vacation. They are going to drive
from Los Angeles to Denver in 4 days. They want to drive about the same
number of hours each day.
Questions- About how many hours will they drive each day?
- How many miles will they travel altogether round trip?
- What if they chose to drive in 2 days instead of 4, how long would
they drive each day then? - How many miles would they drive each day if they drove ½ way
each day? - Movies are about 1 ½ to 2 hours. If the kids want to take enough
videos to last the whole trip, about how many should they take?
What are some possible combinations? - The car goes 32 miles per gallon. How many gallons will they
need for the trip? - It takes 22 gallons to fill up the car. How many times will they
have to fill up the car?