SOLUTION: susan is 4/5 as old as Ronald. four years ago, she was 3/4 as old as ronald. how old each?
Algebra.Com
Question 1021544: susan is 4/5 as old as Ronald. four years ago, she was 3/4 as old as ronald. how old each?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
---------------------------
Substitute (1) into (2)
(2)
Multiply both sides by
(2)
(2)
(2)
and
(1)
(1)
(1)
Susan is 16 and Ronald is 20
-------------------------
check:
(2)
(2)
(2)
(2)
OK
RELATED QUESTIONS
Susan is 4/5 as old as Ronald. 4 years ago, she was 3/4 as old as Ronald. How old is... (answered by richwmiller)
1. rose is 6yrs older than her sister in four years she will be nine years more than one... (answered by ankor@dixie-net.com)
loren is 3/4 as old as Ping .four years ago, she was 4 years more than 1/2 as old as... (answered by JulietG)
Four years ago, Marion was 2/3 as old as Les was. Now she is 3/4 as old as he is. How old (answered by jorel1380)
Four years ago, Danielle was (2/3) as old as Jim was. Now she is (3/4) as old as he is.... (answered by fractalier)
ronald is 3 times as old as george. henry is 1/3 as old as george. therefore, ronald is... (answered by robertb)
Ronald is 3 times as old as George. Henry is 1/3 as old as George. Therefore, Ronald is... (answered by Alan3354)
4 years ago marion was 2/3 as old as Les was. Now she is 3/4 as old as he is. How old... (answered by Maths68)
mother is 4 times as old as MAy. 5 years ago, she was 7 times as old as may. how old is... (answered by ewatrrr)