There are $3.90 worth of nickles and quarters in a piggy bank. there are 6 more quarters than nickels.

how many of each coin are in the piggy bank?

enter your answers in the boxes.

nickels and quarters

For this case, the first thing we must do is define variables.

We have then:

x: number of nickles

y: number of quarters

We now write the system of equations.

We have then:

Solving the system of equations graphically we have:

8 nickels and 14 quarters

Note: see attached image for the graphic solution.

where is the triangle?

c) yes, because of asa or aas