exam Maths Puzzle Numerical Ability

5b/3a^2c - 4/3c^2

(Find each sum or difference)

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exam Other Question

Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.

2x+3y=1

5x=3y=16 The distance traveled at a constant speed varies directly as the time traveled. Denny traveled 312 miles in 6 hours. How far will he traveled in 4 1/2 hours?