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How many needed only wheel alignment

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Reference no: EM131673944

Question: An automobile safety inspection station found that in 1000 cars tested:

1· 100 needed wheel alignment, brake repair, and headlight adjustment

2· 325 needed at least two of these three items

3· 125 needed headlight and brake work

4· 550 needed at wheel alignment

a. How many needed only wheel alignment?

b. How many who do not need wheel alignment need one or none of the other items?

Reference no: EM131673944

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