SAT MATH · Linear Equations · Standard
Linear Equations: A phone plan costs math dollars plus math dollars per text. Another costs math dollars plus math dollars per text. At ho
Isolate variables, slope-intercept, word models.
Try the problem
A phone plan costs dollars plus dollars per text. Another costs dollars plus dollars per text. At how many texts do they cost the same?
Hint and answer
Concept to use
Distribute before isolating.
Hint
Equate the two cost expressions.
Answer
400
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