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 $140, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?
$20x

Question

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 $140, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?
$20x < $140
$20x - $20 < $140
$20x < $160
$20x + $20 < $140

anonymous · Answer

D is the answer

alivejeremy · Answer

. Lisa has to spend less than $200.00 on new clothes for spring. She has already spent $125.25 and wants to buy some shirts that are each $20.48. Which of the following inequalities could be used to solve for x, the number of shirts Lisa can buy with the money she has left?
$20.48x + $125.25 < $200.00
$20.48x - $125.25 < $200.00
$20.48x < $200.00
$20.48x < $125.25

anonymous · Answer

A is the answer

alivejeremy · Answer

Tammy must run more than 66 miles total to reach her fitness goals. She has already run 34 miles and runs 4 miles per day. Which of the following inequalities could be used to solve for x, the number of days Tammy needs to run to reach her fitness goals?
4x > 34
4x - 34 > 66
4x > 66
4x + 34 > 66