Kerry has a new phone plan. It works by charging $20 per month and then $0.10 for each minute over 200 minutes.

Mathematics

1 answer:

REY [17]3 years ago

3 0

Answer:

(40-20)/.10

Step-by-step explanation:

40-20 is 20, 20 divided by .10 is 200, she used 200 extra minutes.

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