Jenny has 6 quarters and some nickels. The total value of her coins is $3.15. How do you write and solve an equation for this?
315 equals the value of the total of quarters and nickels.
There are 33 nickels
A quarter is $0.25, let's call that value q.
A nickel is $0.05, and we have an unknown n amount of them.
Now we solve the equation, substracting
Dividing both sides by
See a solution process below:
We can write and equation for this problem as:
Substituting what we know and solving for