For his phone service, alonzo pays a monthly fee of $18 , and he pays an additional $0.05 per minute of use. the least he has been charged in a month is $75.95 . what are the possible numbers of minutes he has used his phone in a month? use m for the number of minutes, and solve your inequality for m
This would be your equation (method of solving for number of minutes):
m= 75.95- 0.05(m) f= $18 monthly fee m= number of minutes used
explanation of above equation: number of minutes equals, the total amount, subtract the monthly fee. then take the total of that equation and divide it by 0.05, to get the number of minutes (m).
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?