exam Maths Puzzle Numerical Ability

y=18x+10 & 2y=18x+10

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exam Other Question

Graph y=2x-1 Solve and show work.
At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart?