math

rj and joshua are running for fun . rj runs 7kph and joshua run at 5kph . if they start in the same time how long will it be before rj is one fourth ahead of joshua?

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  1. The way your question is worded makes no sense
    You must have meant this:

    done by Steve last year

    http://www.jiskha.com/display.cgi?id=1397894767

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