All natural numbers are whole numbers. t or f

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Which expression gives the exact value of x?