in a sports carnival there are 200 players in 8 teams. determine the number of players in 2 teams if each team has the same number of players.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Combine the information in the problem and the chart using the average balance method to solve the problem.

Miguel has 334 baseball cards and 278 football cards. he says, i have 612 cards in all. is that reasonable? explain using the words round and estimate.