+ 18

Challenge (1)

Can you solve this :- After 12 year, I shall be 3 times as old as I was 4 years ago. Find my present age.

26th May 2017, 12:00 PM
Ekansh
14 Answers
+ 16
12
26th May 2017, 12:09 PM
Nikolay Nachev
Nikolay Nachev - avatar
+ 13
Ohh no..I am late...@Nikolay you stole my chance I was writing a code for it https://code.sololearn.com/WODc1cYtxr2O/?ref=app
26th May 2017, 12:11 PM
Nikhil
Nikhil - avatar
+ 7
Then solve
26th May 2017, 12:05 PM
Ekansh
+ 6
26th May 2017, 12:21 PM
Ekansh
+ 4
Since we are all coders why don't we all use codes to answer
26th May 2017, 10:38 PM
Nomeh Uchenna Gabriel
Nomeh Uchenna Gabriel - avatar
+ 4
It's math not programming by the way , try repenting it in a coding challenge ..
27th May 2017, 3:38 AM
Utkαrsh
Utkαrsh - avatar
+ 3
i think i can solve this😅
26th May 2017, 12:04 PM
U L Knw Me soon😉😋
U L Knw Me soon😉😋 - avatar
+ 3
i did it ohh no i am too late😂😂 https://code.sololearn.com/c7h41tRY4dF3/?ref=app
26th May 2017, 12:43 PM
U L Knw Me soon😉😋
U L Knw Me soon😉😋 - avatar
+ 3
@James late
27th May 2017, 1:35 PM
Ekansh
27th May 2017, 1:35 PM
Ekansh
+ 1
x+12=3(x-4)==2x=24==x=12
26th May 2017, 6:02 PM
shanmukh avinash
shanmukh avinash - avatar
+ 1
Y+12=3(Y-4) Y+12=3Y-12 2Y=24 Y=12
27th May 2017, 1:30 PM
James Walhaya
James Walhaya - avatar
0
let present age be x age after 12 years = x+12 age before 4 years = x-4 hence x+12 = 3(x-4) x+12 = 3x - 12 12+12= 3x - x 2x= 24 x= 12
27th May 2017, 7:44 PM
Vishnu Mohan