exam Maths Puzzle Numerical Ability

A rectangle has an area of (16p^2-40pr+25r^2)

Find the dimensions of the rectangle.

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exam Other Question

in trapezoid ABCD, AB is parallel to CD, and AB = 10, BC = 9, CD = 22, and DA = 15. Points P and Q are marked on BC so that BP = PQ = QC = 3, and points R and S are marked on DA s A group of people want to share equally the cost of a $200,000 airplane. They want to find 5 more people to join their club so that the cost per person decreases by $2000. How many people are currently in the club?