The normal price of a train ticket from Ashford to London is £34.20 Ross gets off the price of his train ticket Work out how much Ross pays for his ticket.

Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?

15/16 as a decimal rounded to the nearest hundredth

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?