Problema Solution
a phone company charges 50 cents per long distance call plus 25 cents per minute. how many minute can tim be on a long distance call with $7.50?
Answer provided by our tutors
Let, total long distance call minutes be X.
So, 0.50 + 0.25X = 7.50
Or, 0.25X = 7.50-0.50
Or, 0.25X = 7
Or X = 7/0.25
Or, X = 28
So, 28 minutes can tim be on a long distance call with $7.50