Maria and Nadia drive from Philadelphia to Toronto to visit their friend. They take two days for the trip, stopping along the way for sightseeing. To conserve on gas mileage, they drive at a constant speed for the entire trip.
Which of the following equations, where x represents hours and y miles, represent a speed that is greater than Maria and Nadia's speed?
Day 1: 4 hours 240 miles
Day 2: 5 hours 300 miles
Choose the answers that apply:
a) y=60x
b) y=65x
c) y=70x
d) y=80x
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