0
   

math

 
 
Reply Tue 25 Jan, 2011 10:57 am
the cost of a cellphone call at hotel is determined by the formula C=0.35t+0.06 where C is the cost, in dollars, and t is the length of the call, in minutes. what is the length of the call that costs $5.85 ?
a.3 min
b.6 min
c.15min
d.18 min
  • Topic Stats
  • Top Replies
  • Link to this Topic
Type: Question • Score: 0 • Views: 578 • Replies: 4
No top replies

 
McTag
 
  1  
Reply Tue 25 Jan, 2011 11:32 am
None of these.

I make it 16.5 minutes
0 Replies
 
McTag
 
  1  
Reply Wed 26 Jan, 2011 12:10 pm

Any feedback? Other opinion?
0 Replies
 
JPB
 
  1  
Reply Wed 26 Jan, 2011 12:12 pm
@bradleyjackson,
It would be c.15 if the formula used a constant of 0.60 instead of 0.06. Typo?
McTag
 
  1  
Reply Wed 26 Jan, 2011 05:04 pm
@JPB,

Aha! GIGO. Well spotted.
0 Replies
 
 

Related Topics

Math Word Problem - Question by OkinawaOwl00
 
  1. Forums
  2. » math
Copyright © 2022 MadLab, LLC :: Terms of Service :: Privacy Policy :: Page generated in 0.03 seconds on 10/03/2022 at 11:16:59