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28 December, 10:24

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

a) 550

c) 610

Ob) 638

od) 288

+1
Answers (2)
  1. 28 December, 13:50
    0
    638

    Step-by-step explanation:

    28+34+40+46+52+58+64+70+76+82+88 = 638
  2. 28 December, 14:15
    0
    D) 638

    Step-by-step explanation:

    The pattern shows that they all increase by 6 each time.

    The 11 numbers in the pattern would be 28, 34, 40, 46, 52, 58, 64, 70, 76, 82, 88.

    Adding all of them together, 28 + 34 + 40 + 46 ... and so on up to 88. This would equal 638.
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