Level 3
Jenny's mother gave her $2 to buy 2 pears. Instead, Jenny bought 3 pears and received twenty cents as change. How much change would Jenny receive if she had bought 2 pears?
Level 2
Jim saved some twenty-cent coins and fifty-cent coins in his piggy bank. The number of twenty-cent coins he saved is twice the number of fifty-cent coins. If he had 5 fifty-cent coins. how much was his savings in the piggy bank? (Give the answer in dollars.)