Cell Phone Company A charges $20 each month plus $0.03 per text. Cell Phone Company B charges $5 each month plus $0.07 per text. Write a system of equations to model the situation using c for cost and t for number of texts. How many texts does a person need to send in a month to make the costs from...
AT&T offers long distance phone plan that charges $4.95 per month plus $.07 per minute. During the course of a year, Sophia's long-distance bill ranges from $13.00 to $22.80. What was the range of monthly minutes?
LOGIC:I plus onehalf of square plus zero plus onehalf of diamond plus center of the sea plus threefourth of X plus zero plus center of the sun?
Design a combinational circuit that will perform the following operation 0 0 1A plus B 0 1 0 A plus B 0 1 1 A minus 1 1 0 0 2A plus 1 1 0 1A plus B plus 1 1 1 0A plus B plus1 Design a combinational circuit that will perform the following operation 0 0 1A plus...
MaineCellular offers a phone plan that costs $12 per month plus 10 cents per minute. Portland Wireless offers a plan that costs $20 per month plus 5 cents per minute. How many minutes could you use in a month so that it would cost less to use the MaineCellular plan? Be specific in your answer - give the full range...
Problem 2-19 Sunland Phone Services offers a cellular phone plan for $60 per month. Under this plan, you can make an unlimited number of phone calls and talk as long as you like. (a) Prepare a table that shows the cost per minute of airtime and the total amount of the phone bill at the following usage levels: 20 minutes,...
a long distance phone company charges $3 for a phone call plus $0.75 for each minute of the call. What fuction does this situation give rise to? Find the formula and make a table for this function.
One cellular plan is 5 dollars per month plus 2 cents per minute and the other plan adds 100 to the number of minutes you use and then charges 4 cents per minute. How many minutes of use will the cost of the two plans be equal?