exam Maths Puzzle Numerical Ability

On July 7, a married couple borrowed $2,000 from a finance company so they could take a vacation trip. If the loan was for two months, and the company charged 10% exact interest, f

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exam Other Question

Please help. What am I doing here?
In exercise 30, if f(x)= 4x-3, find the following:
f(-1)
The problem reads:

A rectangle is 5 feet longer than it is wide. The perimeter of the rectangle is 34 feet. What is the length of the rectangle?


any help would be appreiciated