Problema Solution
paytrust.com is an online billpaying service that charges $5 per month plus $0.50 per paid bill. Thomas used this service for 6 months and paid a total of $48.50. How many bills were paid through paytrust.com during this period?
Answer provided by our tutors
37 bills were paid in 6 months $5(6 months)= $30 $48.50-$30=$18.50 $18.50/$0.50=37
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The equation is:
T = 5m + .5x
We know that the total, T, was $48.50 and the service was used for 6 months, therefore:
48.5 = 5*6 + .5x
18.5 = .5x
37 = x
so 37 bills were paid