For his phone service, ivan pays a monthly fee of $14, and he pays an additional $0.05 per minute of use. the least he has been charged in a month is $74.75.what are the possible numbers of minutes he has used his phone in a month?

1215 minutes are the possible numbers he has used his phone in a month.

Step-by-step explanation:

He has a monthly fee of 14$ then to the least that he has been charged we need to substract the monthly fee as follows:

Monthly charged = 74,75-14

Monthly charged= 60,75$

Then he pays an additional 0,05 $/minute of use, to know the consume:

Minutes=

Minutes= 1215 possible numbers of minutes he has used his phone.

sure i'm up for it

step-by-step explanation:

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: