Problema Solution
Set up the equation: another way
0.09x + 0.1(240-x) = 23.42
Answer provided by our tutors
0.09x + 0.1(240-x) = 23.42
9x + 10 ( 240 - x ) = 2342
9x - 10x +2400 = 2342
2400 -2342 = x
x = 58
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