Hannah's piggy bank has all nickels and dimes. The total value of the $ in her piggy bank is 7.80. If Hannah has 66 nickels, What is your equation in standard form?

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

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?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get