SOLUTION: WHEN I ADD 4 TIMES MY AGE 4 YEARS FROM NOW TO 5 TUMES MY AGE 5 YEARS NOW,I GET 10 TIMES MY CURRENT AGE.HOW OLD WILL I BE 3 YEARS FRIM NOW?
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Question 327321: WHEN I ADD 4 TIMES MY AGE 4 YEARS FROM NOW TO 5 TUMES MY AGE 5 YEARS NOW,I GET 10 TIMES MY CURRENT AGE.HOW OLD WILL I BE 3 YEARS FRIM NOW?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let my age be x years now
4 years from now my age will be x+4
4 times age 4 years from now will be 4(x+4)
5 years from now my age will be x+5
5 times age 5 years from now will be 5(x+5)
10 times my age now = 10x
..
4(x+4)+5(x+5)=10x
4x+16+5x+25=10x
add -10x to both sides
4x+16+5x+25-10x=10x-10x
4x+16+5x+25-10x= 0
9x-10x+41=0
-x+41=0
add +x to both sides
-x+x+41 =x
41=x
..
My age now = 41 years
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