exam Maths Puzzle Numerical Ability

x=-4y+4
5x-3y=-3 solve the system by the substitution method

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exam Other Question

The perimeter of a rectanngle is 160ft. One fourth the length is the same as twice the width. Find the dimensions of the rectangle. Work. Henry sold 120 magazine subscriptions in x + 2 days. If he sold at the same rate for another week, then how many magazines did he sell in the extra week?