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26 January, 15:13

Which would the phrase "twice the sum of a number and three" look

like as a variable expression?

Question 9 options:

a. 2n+3

b. 2 (n+3)

c. 2 + (2n+3)

d. 2 (2n-3)

+4
Answers (1)
  1. 26 January, 18:39
    0
    "twice the sum" means 2 times the sum of some numbers

    "a number and 3" means n+3 if we rpresent the number as n

    so

    2 times (n+3)

    2 (n+3)

    B is answer
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