x + 0,8 x + 0,68 x = 520
Solve for x
x=\frac{6500}{31}\approx 209,677419355
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1,8x+0,68x=520
Combine x and 0,8x to get 1,8x.
2,48x=520
Combine 1,8x and 0,68x to get 2,48x.
x=\frac{520}{2,48}
Divide both sides by 2,48.
x=\frac{52000}{248}
Expand \frac{520}{2,48} by multiplying both numerator and the denominator by 100.
x=\frac{6500}{31}
Reduce the fraction \frac{52000}{248} to lowest terms by extracting and canceling out 8.
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