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

4x

Step-by-step 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