briHayla6ndraro briHayla6ndraro

18-06-2016
Mathematics

contestada

A mechanic charges $330 for 6 hours of labor.

How much would she charge for 9 hours of labor?

A.
$345

B.
$336

C.
$495

D.
$339

Respuesta :

jhonyy9 jhonyy9

19-06-2016

for 6 hours charges $330

for 9 hours charges x
---------------------------------

x = 9*330/6 = 495 so choice C. is right

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