In an online media store, download songs cost $3 each and books cost $9 each. taslimah paid $7 in sales tax when she purchased 15 songs and 3 books. find how much taslimah spent in total, including sales tax.

songs cost $3 each

15 songs cost 15 * $3 = $45

books cost $9 each

3 books cost 3 * $9 = $27

Taslimah paid $7 in sales tax

Add the cost of the songs, the books and the sales tax to find the total.

total = $45 + $27 + $7 = $79

$79

answer: what in the world is this

step-by-step explanation:

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.