Question 111653
In a shipment of 750 parts, 75 were found to be defective. What percent of the parts were faulty?

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Percent means "per 100". 
So set up a proportion with 100 in the denominator:
75/750 = x/100
Then:
x = 100*75/750
x = 100*(1/10)
x = 10
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Solution : 10% of the parts were faulty.
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Cheers,
Stan H.