Abbie is 5 years older than twice her sister's age. abbie is 25 years old. which equation can be used to find her sister's age?

a.)2b+5=25
b.)5-2b=25
c.)2×5b=25
d.)2b-5=25

also, show me how to do the work to solve the problem!

First of all, we can eliminate choices B and D because subtraction will not help us find the sister's age. 

Since Abbie is 5 years older than twice her sister's age, we can multiply to figure out her sister's age. To form the equation, letter C would be your best choice.

Hope that helps. -UnicornFudge aka Nadia