Answer:
Step-by-step explanation:
2( N+ 17) = 3 (N +7)
2N+ 34= ·3N+ 21
N= 13
D= N+8 = 13+8 = 21
Fraction is
When Im using N is equal to numerator and D for denominator, in order to get the fraction we substitute and the results combine in the fraction like this
Answer:
Step-by-step explanation:
Fixed monthly fee = $20
Amount charged per minute for long distance calls = $0.20
denotes total cost such that
minutes are used for long distance calls.
Amount charged for minutes for long distance calls
Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is