英文数学题,请大家帮忙!谢谢!
attheraceonecartravels190mphwhileanothertravels195mph.howlongwillittakethefastercanto...
at the race one car travels 190 mph while another travels 195 mph . how long will it take the faster can to gain two laps on the slower car if the speedway track is 5/2 miles long?请写出步骤!谢谢!
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