exam Maths Puzzle Numerical Ability

At 10:00 A.M., a car leaves a house at a rate of 60 mi/h. At the same time, another car leaves the same house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart?

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exam Other Question

jim is now three times as old as kathy.
Four years ago, jim was seven times as old as kathy then.
find their present ages.

PLEASE HELP ME SOLVE THIS!

and can you show work! Plot points with coordinates (2, 3), (3, 4), and (4, 5) on the given graph. What do you observe? Can you give the coordinates of another point with the same property?