An aircraft cost $2858 dollars per hour 2858 t gives the total cost to operate the aircraft for t hours find the total cost to operate the aircraft for 6.9hours

Agroup of five people go out to eat and buy appetizers and main dishes they decide to split the bill so each person pays 20% of the total cost appetizers are $5 and main dishes are $10 write an expression to show how much each person pays explain it with how to solve the problem