a student purchased 7 binders for a total of $8.61. Write an equation that can be used to find the cost of each binder, n, in dollars. What is the cost ,in dollars, of each binder?

$1.23

Step-by-step explanation:

divide 8.61 by 7 binders to get the final answer of $1.23

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.