PLEASE HELP ITS DUE SOON

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal