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Maths Puzzle
Numerical Ability
20=1/10r ( find value of r)
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book Other Question
If the cost of a new car is $25,000 (plus 8% sales tax) and a down payment of 15% (including the tax) is required, how much money will a consumer need to drive out in a new car?
find factors of 12x^2n+11x^n-15