Emilio buys liter bottles of shampoo when the store has the promotion shown. Write an expression in two different ways to represent the total cost of 3 liters of shampoo. Let L be the number of liter bottles.

understand that i don't know the answers

will someone answer his question

the answer is a

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.