book Maths Puzzle Numerical Ability

the perimeter of a triangle is 76cm. side A of the triangle istwo times the length of side B. side C is one cm more than side A. what is the lengths of the sides?

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book Other Question

A coffee wholesaler blends together three types of coffee that sell for $1.95, $2.10, and $2.25 per pound so as to obtain 100 pounds of coffee worth $2.13 per pound. If the wholes Suppose you could spend $10 every minute, night and day. How much could you spend in a year? (Assume there are 365 days in a year.)