Sarah bought 8 folders and 3 rulers. lea bought 8 rulers and 3 folders. sarah paid $1.25 more than lea. how much was each folder if each ruler was .45

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.