A school sports team contains 68 students 33 do field events, 40 do track events,23...
A school sports team contains 68 students 33 do field events, 40 do track events,23...
A school sports team contains 68 students 33 do field events, 40 do track events,23 do swimming,14 do both field and track events,8 do both swimming and field events.if 15 students do field event only,and 10 do both swimming and track events, how many students do swimming only?
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