How do you know where to put the parentheses in an equation?

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?

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship