exam Maths Puzzle Numerical Ability

-3(10x - 3) + 10(3x - 3) = x - 7

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exam Other Question

You need to borrow $200,000 to purchase a new home. If the interest rate for a 30 year mortgage is 6.7% a year, what will your monthly payments be?

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Rectangular stage. One side of a rectangular stage is 2 meters longer than the other. If the diagonal is 10 meters, then what are the lengths of the sides?