1. leann has 20 coins in her piggy bank. all the coins are either pennies or dimes. the total value of the coins is 83 cents. how many pennies are there? how many dimes? draw the model, labeling all the parts so it is clear to your teacher what the model represents.

2.the 4th grade class is taking a field trip with 38 people. they use a total of 8 vehicles. each car holds 4 passengers and each minivan holds 6 passengers. how many of each type of vehicle did they have? draw the model, labeling all the parts so it is clear to your teacher what the model represents.