SOLUTION: Three companies offer a decent package for texting only on cellphones. The first company is 15$ per month with an additional 0.05$ per text. The second company's offer is 20$ unlim

Question 1129203: Three companies offer a decent package for texting only on cellphones. The first company is 15$ per month with an additional 0.05$ per text. The second company's offer is 20$ unlimited texting and the third company offers 3$ per month with an additional 0.10$ per text. Which company has the best offer for 150 texts per month?
Answer by 4198181(13) (Show Source): You can put this solution on YOUR website!
I am assuming that company 2 is $20 per month
Let t stand for the number of texts sent
An expression for 1 month with company 1: 15+.05t
An expression for 1 month with company 2: 20
An expression for 1 month with company 3: 3+.10t
company 1= 15+7.5= 22.5
company 2= 20 =20
company 3= 3+15 =18
So for 150 texts per month, company 3 would have the best offer

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