Question

HELP PLEASE!! Victoria and Jennifer walk at a different averagr speed. Victoris walks at an average speed of 1 1/5 miles in 1/2 hour. Jennifer walks st sn average speed of 2/3 mile in 1/4 hour. who is walking faster? and by how much, in miles per hour?

Answers

  1. Answer:
    Jennifer
    4/15 mph
    Step-by-step explanation:
    First, we find the two speeds in miles per hour.
    Victoria:
    1 1/5 mile per 1/2 hour = (1 1/5 mile)/(1/2 hour) = 2 2/5 mph = 2.4 mph
    Jennifer:
    2/3 mile per 1/4 hour = (2/3 mile)/(1/4 hour) = 8/3 mph = 2 2/3 mph
    2 2/3 mph > 2 2/5 mph, so Jennifer’s speed is greater.

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  2. Answer:
    Jennifer
    4/15 mph
    Step-by-step explanation:
    First, we find the two speeds in miles per hour.
    Victoria:
    1 1/5 mile per 1/2 hour = (1 1/5 mile)/(1/2 hour) = 2 2/5 mph = 2.4 mph
    Jennifer:
    2/3 mile per 1/4 hour = (2/3 mile)/(1/4 hour) = 8/3 mph = 2 2/3 mph
    2 2/3 mph > 2 2/5 mph, so Jennifer’s speed is greater.
    The difference in speeds in mph is:
    2 2/3 – 2 2/5 = 2 10/15 – 2 6/15 = 4/15

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