There are a total of 125 rolls and packages each roll costs $3.50 and each package costs $2.25 the total costs of rolls is $347.50 how many rolls of bandages are there?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

If a || b and e || f , what if the value of y ?