Emma had 30 minutes to do a three-problem quiz. She spent 11 3/4 minutes on question A and 4 1/2 minutes on question B. How much time did she have left for question C?

3x + 4y -25 =0 represents the amount of change sianna should recieve

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.