book Maths Puzzle Numerical Ability

A civil engineer is planning a highway overpass. Find the degree measure of the angle marked w.
Note: the highway passover is 2w + 40.

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book Other Question

How to solve inequality and how to graph and check the solution? Megrez, the nearest of the Big Dipper stars, is 6.6 x 10^17m from the Earth. Approximately how long does it take light, traveling at 10^16m/year, to travel from Megrez to the Earth?