math

At 9:30 A.M. Andrew left Exeter for Portsmouth, cycling at 12 miles per hour At 10:00 A.M. Stacy left Portsmouth for Exeter, cycling at 16 miles pewr hour. The distance from Exeter to Portsmouth is 20 miles. At what time did they meet?

  1. 👍
  2. 👎
  3. 👁
  1. When they meet, they will have travelled a combined distance of 20 miles. Let t be the time (in hours)after Andrew starts at 9:30.
    12 t + 16 (t-0.5) = 20
    28 t -8 = 20
    28 t = 28
    t = 1 hour

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does

  2. algebra

    A student runs 100 meters in 11 seconds. What is the speed of the student? speed = distance over time; 1 mile = 1609 meters 9.1 miles per hour 16 miles per hour 20.3 miles per hour 24 miles per hour pls help

  3. Math

    A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist’s average rate for the round trip in miles per hour?

  4. math

    A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?

  1. Math

    Avi drove from his home to college 60 miles per hour. Returning over the same route, there was a lot of traffic, and he was only able to drive at 40 miles per hour. If the return trip took one hour longer, how many miles did he

  2. Math

    Which ratio is equivalent to 4/16 A. 2:4•• B. 6 to 20 C. 8:32 D. 12 to 64 Write the ratio as a unit rate. 286 miles in 5 1/2 hours A. 36 miles per hour B. 52 miles per hour •• C. 57.2 miles per hour D. 114.4 miles per hour

  3. Math (Please help)

    . Sarah wants to arrive at her friend’s wedding at 3:00. The distance from Sarah’s house to the wedding is 95 miles. Based on usual traffic patterns, Sarah predicts she can drive the first 15 miles at 60 miles per hour, the

  4. College Math

    Natasha drove from Bedingsfield to Portsmouth at an average speed of 100 km/h to attend a job interview. On the way back she decided to slow down to enjoy the scenery, so she drove at just 75 km.h, Her trip involved a total of 3.5

  1. 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.

  2. math (pLZ HELP ASAP)

    A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?

  3. Math

    Your family is driving 188 miles to visit a relative. Your father drives 63 miles then stops for a break. How many more miles are left in the trip? Your father drives 50 miles per hour. How long will the remainder of the trip be?

  4. math

    In a grand prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per

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