exam Maths Puzzle Numerical Ability

Use substitution to solve each system of equations. If the system does not have exactly one solution, state whether it has no solution or infinitely many solutions.

x-3y=0
3x+y=7

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exam Other Question

Long�s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see to the horizon from the top of Long�s Peak? Can you see Cheyenne, Wyoming (about the difference between two numbers is 24. If the larger is divided by the smaller, the qutient is 4 and the remainder is 3. Find the numbers.