Pls help will give u brainliest!

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer