The reciprocal of an integer plus the reciprocal of two times the integer plus two equals 2/3 find the integer.

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.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose