What is the exact mean or average number of crabs found per site

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce