exam Maths Puzzle Numerical Ability

A truck travels 2.9 miles at 20 mph, how fast would another truck have to go to cover the same distance in 60 seconds less time?

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exam Other Question

I am having trouble with a topic called special kinds of triangles. the two special types of triangles are 45-45-90 or 30-60-90 degrees. If you could give me a few notes our pointe IF f(x)=x^3+4 and g(x)=x+3, find [g*f](2)