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Maths Puzzle
Numerical Ability
the perimeter of an NBA sized basketball court is 288ft. the length is 44ft longer than the width. find the dimensions of the court.
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book Other Question
decide if elimination and substitution can be used to solve any system
i have a problem... 2/7=x/-42
I know you cross multiply
7x=-84
x=-84-7
x=-91
Im i right?