10 - 20 is equivalent to
2(9 - 10)
10(9 - 20)
10(9 - 2)

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?