Bill bought a new cellular phone. His monthly bill will be $34.99 each month which includes 100 minutes of use. Additional minutes will cost $0.23 per minute. Write an equation that represents the cost of the bill C in terms of m, which is the number of minutes used ABOVE the 100 that are included in the base price.

a.

C = 34.99(m - 100) + 0.23

c.

C = 0.23m
b.

C = 0.23m + 34.99

d.

C = 0.23(m - 100) + 34.99

Question

Bill bought a new cellular phone.  His monthly bill will be $34.99 each month which includes 100 minutes of use.  Additional minutes will cost  $0.23 per minute.  Write an equation that represents the cost of the bill C in terms of  m, which is the number of minutes used ABOVE the 100 that are included in the base price.
 
a.
	
C =  34.99(m - 100) + 0.23
	
c.
	
C =  0.23m
b.
	
C =  0.23m + 34.99
	
d.
	
C =  0.23(m - 100) + 34.99