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Inga [223]
3 years ago
13

You have a $20 phone card. Calls made using the card cost $.03 per minute to destinations in the United States and $.06 per minu

te to destinations in Brazil. Write an inequality describing the numbers of minutes you can use for calls to the U.S. and Brazil.
Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:  .03x + .06y ≤ 20

<u>Step-by-step explanation:</u>

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

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Answer:

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Since x-values of any function define the domain and y-values define the range.

For x = 2,

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