exam Maths Puzzle Numerical Ability

SOLVE BY SUBSTITUTION METHOD AND DETERMINE WHETHER ITS A INDEPENDENT, DEPENDENT, OR INCONSISTENT

x-y=5
2x=2y+14

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exam Other Question

We are going to give a new layer of coating to the path. If one gallon of coating can cover , how many gallons of coating do we need? Note that coating comes only by the gallon, s Find a quadratic equation with the given roots: -1/4 and 1/5.