Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $20 per day. If one of her customers spent less than $80, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?

$20x + $20 < $80
$20x < $80
$20x - $20 < $80
$20x < $100

Question

08-01-2015
Mathematics

Answered

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Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $20 per day. If one of her customers spent less than $80, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?

$20x + $20 < $80
$20x < $80
$20x - $20 < $80
$20x < $100

Sagot :

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betaniaebenezer betaniaebenezer · Answer 1 · 2015-01-08T14:58:38-05:00

betaniaebenezer betaniaebenezer

08-01-2015

The formula for the total amount costumers pay is 20x+20 because 20* the number of days is 20x and then you have to add the 20 dollars for the service fee. The costumer paid less than 80 dollars so 20x+20, which is what the costumer paid, is less than 80. The answer is $20x+$20<$80.

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Sagot :

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