A fruit seller buys 300 kg of mangoes from Janakpur at Rs.80 per kg and pays a transport charge RS 3 per kg if he / she sells them at rs 85.50 per kg find his /her gain or loss percent

How to use order of operation in 20 divide by 4 multiply 5 = 1

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row