A quality control inspector found that 43 out of every 50 radios produced were not defective. What percent of the radios were defective?
so how many were defective..?
If there were 43/50 not deffective then there were 50-43=7 deffective. Therefore: \[\frac{defective}{total}=\frac{7}{50}=0.14\] 14% of the radios were defective.
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