Post a New Question

Math

posted by .

Jan and Nika ride their bikes. Jan rides 5 miles per hour for 1 hour then rides at ten miles per hour for 30 minutes.Nika rides at a constant 8 miles per hour. the tripss cover the ssme distance. Forr hoew many minutes does Nika ride ?

  • Math -

    5 mph for 1 hour = 5 mi
    10 mph for 1/2 hour = 5 mi

    8/1 = 10/x

    8x = 10
    x = 10/8 = 1 1/4 hours

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. algebra

    Nicole can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work?
  2. Math

    Jessica can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work?
  3. Math

    Jessica can jog to work in 4/5 of an hour. When she rides her bike, it takes her 3/10 of an hour. If she rides 10 miles per hour faster than she jogs, how far away is her work?
  4. algebra

    From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 12 miles per hour. In how many hours will they be 55 miles apart?
  5. math

    Ms. Kolawaski rides her exercise bike at an average speed of 12 miles per hour. How many minutes does it take her to ride 16 miles?
  6. maths

    A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 …
  7. Math

    Felicia takes 4 hours to ride her bike 56 miles. She rides at a constant speed during the 4 hour ride. What is her speed in miles per hour?
  8. Trigonometry- Help!

    After one hour in flight, an airplane is located 200 miles north and 300 miles west of the airport. What is the magnitude of the plane's velocity?
  9. Math Algelbra

    Joy has to get from her house to the park,which is 10 miles away.If she walks,she can go 4 miles per hour.If she rides her bike,she can go 10 miles per hour.And, if she rides a car she can travel 40 miles per hour.How long will it …
  10. math

    Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

More Similar Questions

Post a New Question