Solve using the appropriate method.

Question

0.05x+0.25y=66
0.15x+0.05y=72

I came up with the answer (420,180) Is this correct?

a)The solution is___?(simplify your answer. Use integers or fractions for any numbers in the expression. Type an ordered pair)
b)Infinitely many solutions
c)No solution

Answer 1

you are correct

as you surely verified, by using the values in the equations ???