Five people can finish painting a wall in 5 hours. if only 2 people are available, how many hours do they have to work to finish the same job?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

7+(3n++8) what is the answer to this?

Can anyone explain to me how to do this? anything will .