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pdf module review. pdf
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1. bill is comparing the cost of a ted only cell phone plan. the number of texts made and the total cost of two different
companies is shown in the tables below
company a
company b
number of total cost
number of total cost
texts
(dollars)
texts
dollars)
725
252
52
980
3.96
12: 20
6.30
1265
35
48
a. determine the cost per text for each company.
b. does either company charge a fee? show your work and explain your reasoning
cwrite an equation to represent the total cost for company a. here y represents the total cost, in dollars and x
represents the number of texts for company a
d. write an equation to represent the total cost for company b. here y represents the total cost, in dollars and
represents the number of texts for company
e. are the relationships proportional or non-proportional? justify your reasoning