Answer :
A restaurant uses 98 lb of vegetable oil every 18 days so the restaurant needs to purchase a minimum of 686 pounds of vegetable oil for a period of 126 days.
To calculate the amount of vegetable oil that the restaurant needs to purchase for a period of 126 days, we can use a proportion.
Let's set up the proportion:
98 lb / 18 days = x lb / 126 days
To solve for x, we can cross multiply and then divide:
(98 lb)(126 days) = (18 days)(x lb)
12,348 lb days = 18x lb
Next, we can divide both sides of the equation by 18 to isolate x:
12,348 lb days / 18 = x lb
686 lb = x lb
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