Simplify 7(x + 3). xxxxxxxxxxx
2 answers:
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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.