Hi

takes 40 minutes if she walks at 4.5 km/h.

How long will it take her to cycle to work at a speed of 30 km/h?



D = rt

Note: 4.5 = 9/2 and 40/60 = time in hrs

  

      360/120 = 30t

         3/30 = t

          .1hr = t = 6min



   

   

RELATED QUESTIONS

Jodi walks to school every morning. If she walks at a speed of 50 meters per minute, she... (answered by mananth)

Grace leaves home at 8:00 A.M.  Ten minutes later, Will notices Grace's lunch and begins... (answered by lwsshak3,Boreal)

A man walks 15 blocks to work every morning at a rate of 2 miles per hour. If there are... (answered by stanbon)

If Chelsey walks one kilometer in 12 minutes,how long will it take her to walk 3000... (answered by jim_thompson5910)

Walking at a constant rate of 4 miles per hour, it takes John exactly one hour to walk... (answered by josgarithmetic)

David covers a distance of 15 km, partly bye foot at 6 km/h and partly by cycle at 18... (answered by ankor@dixie-net.com)

andrew goes by bus for part of his way to work and walks the rest. the speed of the bus... (answered by lwsshak3)

may rides her bike the same distance that Leah walks. may rides her bike 10 km/h faster... (answered by checkley75,Kalmetam)

May rides her bike the same distance that Leah walks. May rides her bike 10 km/h faster... (answered by stanbon)