Lucy earned $18 babysitting on friday and $20 babysitting on saturday. on sunday ,she spent half of the money. write an expression to match the words.

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?

How far could you drive on 50 gallons of gas

What is the anwers for 9+2x=5x-3-x