Phoebe Stout

English

25 September, 13:32

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

Kieran subscribes to a text messaging service on his cell phone. His monthly bill for the service is given by the equation b = 0.25t, where b is the

bill amount and tis the number of texts.

The constant of proportionality in terms of cost per text is

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