F is directly proportional to a . If F = 28 when a = 7 find, a when F = 40

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F is directly proportional to a . If F = 28 when a = 7 find, a when F = 40

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Hồng Cúc 4 years 2021-08-03T20:44:44+00:00 1 Answers 21 views 0

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  1. danthu
    0
    2021-08-03T20:46:19+00:00
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    Find the direct proportion:

    28/7 = 4

    When F is known divide it by the proportion to get a:

    A = 40/4

    A = 10

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