exam Maths Puzzle Numerical Ability

Running Track. The inside of the running track in the diagram is formed by a rectangle and 2 half circles. Fine the distance to the nearest yard, around the inside of the track. T

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exam Other Question
Solving inequalities with two variables


I need an example of this and a way to solve it.
thank you I need some help:
Solve: x/5x+10+x-3/x+2=7/5

and

3/7=15/x