I put 75.75 but it said it was wrong so I’m not sure….

Nine more than four times a number is the same as one less than twice the number. find the number?

Could someone with number 1 and 2

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.