The sum of ages of SUDHA and her mother is 63 years. Four years back her mother’s age was four times of Sudha’?
The sum of ages of SUDHA and her mother is 63 years. Four years back her mother’s age
was four times of Sudha’s age at that time. What is the present age of Sudha’s mother in
years?
PLEASE EXPLAIN IN STEPS!
Update:Please explain in steps!
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Verified answer
S+M=63
S=63-M
M-4=4(S-4)
M-4=4S-16
M=4S-16+4
M=4S-12
Substitute:
M=4(63-M)-12
M=252-4M-12
M=240-4M
M+4M=240
5M=240
M=240/5=48 Mother is 48 years old
S=63-48=15 Sudha is 15 years old
Sudha is 15
Her mother is 48
Four years ago they were 11 and 44 respectively
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