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.)
Level 3
There were 11 coins which consisted of twenty cent and ten cent coins. The total value of the coins was $1.80. How many twenty cent coins were there?