In a primary school there shall be 3 teachers to 60 students if there are 400students find the number of teachers ​

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)

Angela plays soccer and golf for a total of 125 minutes every day. she plays soccer 45 minutes more than she plays golf. part a: write a pair of linear equations to show the relationship between the number of minutes angela plays soccer (x) and the number of minutes she plays golf (y) every day. part b: how much time does angela spend playing golf every day? part c: is it possible for angela to have spent 80 minutes playing soccer every day? explain your reasoning.

Whats the simplified form of the expression (t^4/10y^4)-4