If it takes (a) men (b) hours to dig (c) holes, how many holes can be dug in (d) hours?
explain how you did it (with working out)!

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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 number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61