There are a total of 28 third graders, 76 fourth graders, and 46 fifth graders, who are going on a field trip. if a bus holds 50 students, how many buses are necessary to transport all of the students?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

How can you decide witch operations to use to slice a two step equation

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground