SOLUTION: ALISHA'S Brother is 6 years younger than Alisha. Alisha is 5years younger than her sister. Alisha's brother is 10 years old. How old is Alisha?
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Question 992922: ALISHA'S Brother is 6 years younger than Alisha. Alisha is 5years younger than her sister. Alisha's brother is 10 years old. How old is Alisha? Answer by ankor@dixie-net.com(22740) (Show Source):
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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
