Sunday, October 2, 2016

Cars, cars, cars! Oct. 3, 2016



Problem of the Week (Oct. 3, 2016)
Cars, cars, cars!
Directions: Write your answer on a separate sheet of paper. Label the paper with your FULL name, your teacher, and which problem(s) you are handing in, then staple it to this sheet. Please show all your work.

Level 1  Wheels: How many wheels does a typical motorcycle have? How many wheels does a typical car have? If there are 3 motorcycles and 9 cars in a parking lot, how many total wheels are there?

Level 2   Electric cars: Some cars don’t use gasoline, they use electricity stored in big batteries to power them. Look at the chart below. It shows the number of seconds it takes different electric cars to accelerate from 0 miles per hour (mph) to 60 mph. Use the chart to answer the questions.
CAR MODEL
SECONDS
BMW i3
6.8 seconds
Nissan Leaf
9.8 seconds
Tesla S60
5.5 seconds
List the cars in order with the car that accelerates the fastest listed first and the slowest acceleration listed last. Challenge: Calculate the difference in seconds between the fastest and the slowest cars.

Level 3   Gasoline:  Let’s figure out how much money it costs to drive a gasoline car. You will need the following information to fill in the chart below. The average car can drive about 25 miles on 1 gallon of gasoline. It costs about $2 to buy 1 gallon of gasoline.

Number of miles driven
Gallons of gasoline
Cost in dollars
100 miles


1,000 miles


10,000 miles



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