Help I have been stuck on this for an hour

2+6-1

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?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table