SOLUTION: Rekha little sister is now 5 years old if her age is 2 years more than one forth of rekha age how old rekha is?

Question 1063334: Rekha little sister is now 5 years old if her age is 2 years more than one forth of rekha age how old rekha is?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
:
let r = Rek's age
let s = Sis age
:
write an equation for each statement:
" Rekha little sister is now 5 years old "
s = 5
"if her age is 2 years more than one forth of rekha age"
s = r + 2
replace s with 5 (from the first statement)
5 = r + 2
get rid of the fraction, multiply both sides by 4
4(5) = 1r + 4(2)
20 = r + 8
subtract 8 from both sides
20 - 8 = r
12 = r
:
how old rekha is? She's 12 year old
:
:
Check this in the statement
" Sister's age is 2 years more than one forth of rekha age"
5 = (12) + 2
5 = 3 + 2
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