In a different city, a taxi driver charges $5.00 plus $1.50 for every 1/4 of a mile driven and an additional $1.00 per minute while the taxi is stopped. How much did the taxi driver charge for a 5-mile ride that lasted 30 minutes if the taxi was stopped 25 percent of the time?
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Thank you very much!
Thank you very much!
greatt question!
Thank for sharing!
Great
got E. the 5-mile part is easy, the stopped time is where people probably mess up.
huh, I keep landing on answer choice D. where am I going wrong? Is the flat $5.00 separate from the mileage charge?
yes, the 5.00 is the base fare on top of the per-quarter-mile rate
What it tests
Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.
Common trap
Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.