exam Maths Puzzle Numerical Ability

Solve. 5x � 0.89 = 4(x � 0.71)

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exam Other Question

The length of a rectangle is 5 ft more than the width. If the perimeter must be at least 38ft but no more than 62 ft, find the possible values for the width. This word problem has to do with quadratic equations.
The difference of two integers is 12.Their product is 493.Find the integers.