Http://www.pierce.ctc.edu/staff/dlippman/mathinsociety/Finance1.0.pdf I think this will help
Divide top and bottom by four.
6/7 is the answer
Because you are still multiplying the same values of the number you are multiplying and it's standard form
If you do width times length you will get 30. Good luck
You didn't say how many questions there are so I cant answer
