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Maths Puzzle
Numerical Ability
Jason got a 7 5 on a math test. He was allowed to go to the math lab and take a retest. He increased his score to 84. What was the percent of increase?
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x + 3( x + 1 )= 2x
A rectangle has a length which is 3 more than its width. Write a polynomial P(x) which expresses the perimeter of this rectangle in terms of the width x.Help