vnfrancis1353
15.11.2019 •
Mathematics
Your mobil phone company bill is $35.95 per month plus $0.20 per text message. what is the rate of change ? what is the initial value? write an algebraic equation that wold model your total monthly cost c for any number of t text messages . use your equation to find the cost in a month with 225 text messages?
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Ответ:
x = number of text messages sent
0.2x+40=50
0.2x = 10
5(0.2x) = 5(10)
x = 50
Step-by-step explanation:
Ответ: