Question 1
Solve the problem. Then identify the piece of information that is unnecessary to solve the problem.
A rental car company that rents cars for local-only use charges $30 plus $0.20 for each mile the rental car is driven. If a customer gives the rental attendant $100 for a charge of $44, how many miles did the customer drive?
◦ 35 miles
unnecessary information: the $44 charge
◦ 220 miles
unnecessary information: the $30 flat charge
◦ 70 miles
unnecessary information: giving $100 to attendant
◦ 69 miles
unnecessary information: the $0.20 per-mile charge
Question 2
Use the four-step method in problem solving to solve the problem.
City A has an elevation of 3447 feet above sea level while city B has an elevation of 86 feet below sea level. How much higher is City A than City B?
◦
-3361 feet
◦ 3633 feet
◦ 3533 feet
◦
-3261 feet
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