exam Maths Puzzle Numerical Ability

A carpenter used 30 ft of molding in three pieces to trip a garage door. If the long piece was 2 ft longer than twice the length of each shorter piece then how long was each piece?

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exam Other Question

Two boats pass each other going in opposite directions. The first boat travels 2 miles per hour faster than the second boat. What is the average speed of each boat if they are 6 miles apart after 2 hours? Three batteries are connected in series so that the total voltage is 54 volts. The voltage of the first battery is twice the voltage of the second and 1/3 the voltage of the third battery. Find the actual voltage of each battery.