A water tanker can finish a certain journey in 10 hours at the speed of 38 km/hr. By how much should its speed be increased so that it may t

Question

A water tanker can finish a certain journey in 10 hours at the speed of 38 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?

(2 Points)​

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Cora 1 week 2021-11-19T19:32:31+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-19T19:33:50+00:00

    Step-by-step explanation:

    t= 10 hr

    v = 38 km/hr

    Find distance

    v = d/t

    vt = d

    d = (38 km/hr)(10 hr)

    >cancel the unit hr

    d = 380 km

    v = ? if t = 8 hr & d = 380 km

    v = d/t

    v = 380 km/8hr

    v = 47.5 km/hr ANSWER

    0
    2021-11-19T19:34:07+00:00

    Answer:

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