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25 September, 12:41

Solve - 2.5n + 8.7 > 5.45.

A. n < 1.3

B. n > 1.3

C. n < - 5.66

D. n > - 5.66

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Answers (1)
  1. 25 September, 13:31
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    A. n<1.3

    -2.5n+8.7>5.45

    subtract 8.7 from both sides

    -2.5n>-3.25

    divide - 2.5 from both sides

    (since you divided by a negative you flip the sign!)

    n<1.3
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