Question

Your sister has x dollars. You have 4 times the amount she has. Which expression represents the amount of money you have?

Answer 1

sister = x
you = 4 times more than sister's; 4 × x
Answer : 4x

Answer 2

Answer: 4x

Explanation:

Given : Your sister has x dollars.

You have 4 times the amount she has.

i.e. Money you have = 4 × amount she has

To express "Money you have" an algebraic expression , we replace "amount she has" by "x".

We get ,

Money you have = 4 × x =4x

Hence , the expression represents the amount of money you have= 4x