The constant of proportionality is: 0.2 and the equation is: c = 0.2t
Step-by-step explanation:
Let t be the number of texts and c be the cost
Then according to given statement
c ∝ t
The proportionality symbol will be removed and a constant f proportionality will be introduced.
<u>For constant of proportionality:</u>
Hence the constant of proportionality is 0.2
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<u>Equation:</u>
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Hence,
The constant of proportionality is: 0.2 and the equation is: c = 0.2t
Keywords: Proportion, fractions
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