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12 May, 22:54

If Andrew can paint 1 house in 4 days, which sentence is true? A. Andrew can paint 9 houses in 27 days. B. Andrew can paint 8 houses in 30 days. C. Andrew can paint 7 houses in 28 days. D. Andrew can paint 6 houses in 18 days.

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Answers (2)
  1. 13 May, 01:14
    0
    C. Andrew can paint 7 houses in 28 days.

    Step-by-step explanation:

    Andrew can paint a house in 4 days, to check which statement is okay you just have to create an equation, the number of houses will be represented by "x" and the number of days it took will be Y you just check all the statements, for example:

    Andrew can paint 9 houses in 27 days, x=9 y=27.

    Y = 4x = 27 = 4 (9)

    27 = 36

    As this is not correct, the statement is also in correct, the only statement that matches the math is the third one, Andrew can paint 7 houses in 28 days. X=7 Y=28

    Y=7x

    28=4 (7)

    28=28

    As the math is correct the option that actually fits the equation would be the third one.
  2. 13 May, 02:42
    0
    The answer is C.

    Step-by-step explanation:

    I got this by multiplying the houses by the days it would take to paint to paint one house.

    9*4=27
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