Posted by Thomas on Friday, May 30, 2014 at 1:52pm.
43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10cents for each minute thereafter.What is the cost, in cents, of a 10minute phone call?
a. 20020c
b.100c+70
c. 30+7c
d.1007c
e. 10070c
please answer and explain

math  typo?  Ms. Sue, Friday, May 30, 2014 at 1:58pm
Please proofread your problem.

math  Thomas, Friday, May 30, 2014 at 2:13pm
10 cents per minute for the first 3 minutes + 30 cents, but I don't know what is 10cents for each minute thereafter?

math  Thomas, Friday, May 30, 2014 at 2:14pm
type mistake:
10 cents per minute for the first 3 minutes = 30 cents

math  Thomas, Friday, May 30, 2014 at 2:16pm
43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10c cents for each minute thereafter.What is the cost, in cents, of a 10minute phone call?

math  Ms. Sue, Friday, May 30, 2014 at 2:17pm
10  3 = 7
This problem doesn't make sense as the charge per minute is the same  whether it's the first three minutes or the rest of the phone call.

math  Thomas, Friday, May 30, 2014 at 2:18pm
10 cents per minute for the first 3 minutes = 30 cents ,but I don't know what is 10c cents for each minute thereafter?

math  Thomas, Friday, May 30, 2014 at 2:21pm
why 3 , because the first 3 minutes ?

math  Ms. Sue, Friday, May 30, 2014 at 2:24pm
Yes.

math  Thomas, Friday, May 30, 2014 at 2:37pm
is it answer c. 30 + 7c?

math  Ms. Sue, Friday, May 30, 2014 at 2:40pm
What does c represent?
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