What is the area of this?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?