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I need some help from you

Sagot :

Christian, this is the solution:

C1 = 0.19t

C2 = 34.95 + 0.09t

We need to calculate C1 = C2, therefore:

0.19t = 34.95 + 0.09t

Like terms:

0.19t - 0.09t = 34.95

0.1t = 34.95

Multiplying by 10 at both sides:

0.1t * 10 = 34.95 * 10

t = 349.5

The plans will have the same cost, if you talk for 349.5 minutes