Translate this phrase into an algebraic expression 72 decreased by twice Goran’s Sabine’s use the variable g to represent his savings

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

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?

Collin did the work to see if 10 is a solution to the equation r/4=2.4