2) How much more does $1,300 earn in 7 years, compounded semiannually At 4.85%, that $1300 over 7 years at 4.85%, compounded annually?

HINT: Use the compounding interest Formula

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.