Question of the Day: Math Modeling
A cow that weighs 175 pounds gains 3 pounds per day, and it costs 30 cents per day to keep that cow. The market price for cows is 75 cents per pound, but the price is falling one cent per day. When should the cow be sold to make the maximum profit?
Use the 5-step method.
The cow should be sold after 2 days.
The cow should be sold after 4 days.
The max profit is $131.58.
The max profit is $151.58.
The cow should be sold after 3 days.