Students love to put ranch dressing on everythig, so elvira needs to keep plenty in stock. the students eat about 2.25 gallons of ranch each day! elvira started the school year with 130 gallons of ranch dressing. she needs to have at least 20 gallons left when she reorders to have enough in stock until the new order comes. for how many days will her ranch dressing supply last before she needs to reorder?
a. write and solve an inequality that models this situation.
b. describe in words the quantities that would work in this situation.
c. write your answer in both interval and set notation.
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