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PhJesus
19.08.2019 •
Mathematics
Robert bought x pounds of potatoes for $1.99 per pound. he paid for the potatoes with a $10 bill. which of the following variable expressions represents the amount of change he received from his $10?
a. 10 - 1.99x
b. 1.99x - 10
c. 10 - 1.99 = 8.01
d. 10 - x = 1.99
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Ответ:
$1.99x
Next, we have to find the equation for Robert's change. Change is defined as amount paid minus cost. In this scenario, Robert paid $10, and we already know the cost is $1.99x. So using this information, we can now write the equation:
$10 - $1.99x
So the answer is a.
Ответ:
Kurtis has watched 84 minutes of the movie