math

It took Esteban 1 minute and 20 seconds to travel one mile. If he then drives this one mile distance in 55 seconds, how much faster is he driving in miles per hour?

  1. 👍 0
  2. 👎 0
  3. 👁 169
  1. 60(4/3 min.)*1 mile = 80 mph

    (55/60 min)60 * 1 mile = 55 mph

    1. 👍 0
    2. 👎 0
  2. the times are 80 seconds and 55 seconds
    1mi/80s * 3600s/hr = 45 mi/hr
    1mi/55s * 3600s/hr = 65.45 mi/hr

    Now just subtract

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    A cab charges $1.75 for the first mile and $0.25 for each additional mile. Write and solve an inequality to determine how many miles Eddie can travel if he has $15 to spend

  2. algebra 1

    A blue marlin can swim at speeds of about 50 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.)

  3. geometry

    on a town map ,each unit of the coordinate plane represents a mile. Three branches of a bank are located at A(-3,1) , and C (4,-1). A bank employee drives from branch A to branch B and then drives halfway to branch C before

  4. physics

    a bus moving at 20m/s slows at a rate of 4m/s each second. how far does it travel while braking. i found the time which was 5 seconds. A car accelerates from rest at a rate of 5 m/s/s for a period of 4.2 seconds and then moves at

  1. Chemistry

    an 83.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile) ________nm an electron (me = 9.10939 × 10–28 g) moving at 3.90 × 106 m/s in an electron microscope ______nm

  2. Precalculus

    Find the distance along an arc on the surface of the earth that subtends a central angle of 1 minute. (1 minute = 1/60 degree) This is a nautical mile. Note that the radius of the Earth is 3960 miles and there are 1760 yards in a

  3. Math

    Radio signals travel at a rate of 3x10^8 meters per second.how many seconds would it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 3.6x10^7 meters? A. 8.3

  4. Chemistry

    Calculate the wavelengths: -A muon (a sub particle with the mass of 1.884 X 10^-25g) traveling at 320.0 m/s -an electron (me=9.10939 x 10^-28g) moving at 3.85 x 10^6 m/s -An 83.0kg athlete running a "4 minute mile" (i.e.

  1. Algebra

    In a large city, taxicabs charge $4.00 for the first one-fifth mile and 0.38 for each additional one- fifth mile. Frank has only $8.50. What is the maximum distance he can travel?

  2. math!!!!

    One lap around the track is equal to 1/8 of a mile. A horse ran a distance of 9 laps in 2 minutes and 30 seconds. What was the horse's average speed in miles per minute?

  3. math

    The Great seto Bridge in Japan is 9,368 meters long. A bicyclist riding across the bridge can travel 500 meters in 1 minute. A person walking can travel 100 meters in 1 minute. How many minutes shorter is the bicycle trip than the

  4. Algebra

    Radio signals travel at a rate of 3*10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 4.2*10^7 meters? (Hint:

You can view more similar questions or ask a new question.