SOLUTION: {{{system(0.05x + 0.25y = 44, 0.15x + 0.05y = 48) }}}

Question 309555:
Answer by ichudov(507) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 0.25*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=120. Since , x=280.

Answer: .

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