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denis-greek [22]
3 years ago
5

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 t

han $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
Mathematics
1 answer:
77julia77 [94]3 years ago
6 0
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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