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30 June, 06:42

64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.

Write an equation to determine Sarah's age (a).

Find Sarah's age.

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Answers (2)
  1. 30 June, 06:59
    0
    60 years old

    Step-by-step explanation:

    64=4 (a-44)

    64=4a-176

    64+176=4a

    240=4a

    4a=240

    a=240/4

    a=60 years old
  2. 30 June, 07:04
    0
    64 = 4 * (a-44)

    Sarah is 60

    Step-by-step explanation:

    64 is 4 times the difference between Sarah's age, a, and 44.

    Is means equals and difference is subtraction

    64 = 4 * (a-44)

    Divide each side by 4

    64/4 = 4/4 (a-44)

    16 = a-44

    Add 44 to each side

    16+44 = a-44+44

    60 = a

    Sarah is 60
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