EASY QUESTION!

Hope uses the equation C = 3 h + 9 to find the total cost, C , in dollars, of renting a bike for h hours. If Hope does not spend more than $30, what is the maximum number of hours she can rent the bike?
A 18
B 13
C 10
D 7

Question

EASY QUESTION! 

Hope uses the equation C = 3 h + 9 to find the total cost, C , in dollars, of renting a bike for h hours. If Hope does not spend more than $30, what is the maximum number of hours she can rent the bike?
	  A     	18
	  B     	13
	  C     	10
	  D     	7

anonymous · Answer

13 or 10

ivettef365 · Answer

use equation, so you have

30 < 3h + 9   solve for h

ivettef365 · Answer

how did you get 27??

you have  c = 3(7) + 9
               c =  21 +9
                c = 30    so that is correct (7)

ivettef365 · Answer

yw :)