guillecolinacr7 guillecolinacr7

07-06-2017
Mathematics

contestada

Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.
A. x ≥ 26
B. x ≥ –15
C. x ≥ 15
D. x ≥ –26

Respuesta :

rosie12tk rosie12tk

07-06-2017

4(x+15) > 120
4x+60 > 120
-60 -60
4x > 60
x > 15

A. Incorrect
B. Correct
C. Correct
D. Correct

Answer Link

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