math

Mona is skating at a speed of 300 feet per minute. Lina is 1000 feet behind her. What should be her speed if she wants to catch up with Mona in 10 minutes?

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  1. the go to the end point in 10 min
    Mdistance=300*10

    but Lisa has to go this distance + 1000.
    Ld=10v
    3000+1000=10v
    v=400 ft/min

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  2. 3000

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  3. Jenny left her house at 8 a.m. and went to school at a speed of 2 2 3 mph. Her brother Jim left house 4 minutes later and went to the same school. What must his speed be if he wants to keep the same distance between his sister and himself?
    Answer:
    mph

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  4. 2 2 3

    ok

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  5. 400 mph

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