Denise G. answered 12/18/19
Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor
Total Cost = $25(number of months)+0.10(number of texts)
Let x= the number of texts. The rest of the values we will plug into this equation.
80=25(3)+0.10x Simplify
80=75+0.10x subtract 75 from both sides
80-75=75+0.10x-75 simplify
5=0.10x Divide both sides by 0.10
5/0.10=0.10x/0.10
x=50 text messages sent