Question 992922

let a = Alisha's age
let b = brother's age
 let s= sister's age
:
Write an equation for each statement
:
ALISHA'S Brother is 6 years younger than Alisha.
b = a - 6
:
 Alisha is 5years younger than her sister.
a = s - 5
:
 Alisha's brother is 10 years old.
Replace b with 10 in the first equation
10 = a - 6
a = 16 is Alisha's age 


How old is Alisha?