Mike and Kim invest $11,000 in equipment to print yearbooks for schools. Each yearbook costs $5 to print and sells for $25. How many yearbooks must they sell before their business breaks even?

Ineed with this problem 21 show steps

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

Kelli swam upstream for some distance in a hour. she then swam downstream the same river for the same distance in only 6 minutes. if the river flows at 5km/hr, how fast can kelli swim in still water?