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9 September, 03:11

Consider the numbers 0, 10, 20, 30, and 40. Multiply each by 4 and compare the result to 60 to determine into which of the following intervals? What number can you multiply by 4 and then add 8 to the product to get?

a. 0 to 10. b. 10 to 20. c. 20 to 30. d. 30 to 40.

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Answers (1)
  1. 9 September, 03:13
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    Option (b) 10 to 20

    Step-by-step explanation:

    Let the number obtained between the interval be 'x'

    Therefore,

    according to the question:

    multiplying the number with 4 and then adding 8 to it to get 60

    thus,

    mathematically, we get

    4x + 8 = 60

    or

    4x = 60 - 8

    or

    4x = 52

    or

    x = 13

    Hence,

    The 13 lies between the interval 10 to 20

    Option (b) 10 to 20
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