You have a $20 phone card. Calls made using the card cost $.03 per minute to destinations in the United States and $.06 per minute to destinations in Brazil. Write an inequality describing the numbers of minutes you can use for calls to the U. S. and Brazil.

Question

Mathematics

Livia

22 December, 22:24

You have a $20 phone card. Calls made using the card cost $.03 per minute to destinations in the United States and $.06 per minute to destinations in Brazil. Write an inequality describing the numbers of minutes you can use for calls to the U. S. and Brazil.

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Answers (1)

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Tess Tyler · Answer 1

Answer:.03x +.06y ≤ 20

Step-by-step explanation:

Let x represent the number of minutes to the US and

let y represent the number of minutes to Brazil

and make sure their sum is not greater than $20

.03x +.06y ≤ 20