Answer:
Equation: 7n = 8.61
Solution: n = $1.23
Explanation:
7 binders = $8.61
1 binder = $n
The price of one binder is seven times the price of 7 binders.
7n = The price of 7 binders
The price of 7 binders is $8.61
7n = $8.61
Divide both sides of the equation by 7
n = $1.23