Carlos buys a game for $7.89 and some batteries for $5.49. He pays with a $20 bill. What is the best estimate of how much change he should get? Give an answer and explain your answer.

Given:

Carlos buys a game for $7.89 and some batteries for $5.49. He pays with a $20 bill.

To find:

The best estimate of the amount of change he should get.

Solution:

First we need to approximate the data values.

Now, the total cost of game and batteries is

He pays with a $20 bill.

Therefore, the estimated amount of change is $6.50.

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answer: options?

step-by-step explanation: