Problema Solution
Stacey owes $16.40 for text messaging in the month of November. if her first text messaging plan cost $14 for the first 500 messages and 20 cent for each additional text message, how many text messages did she send that month?
Answer provided by our tutors
Let n stand for the number of text messages sent:
14+.2(n-500)=16.40
Solving for n, we get:
n=512