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Delicious77 [7]
3 years ago
14

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan.

Mathematics
2 answers:
Nitella [24]3 years ago
5 0
Let x be the age of ishaan so the age of ben will be 12+x. the equation will become x=x+12
Going 3 years back, the age of ishaan was x-3 so that of ben would be x+12-3 before 3 years. at that time the age of ben was 4 times the age of ishaan. it means x+12-3(the age of ben)=4(x-3(the age of ishaan))
solving this equation, we get the answer x=7. this is the age of ishaan in the present.
butalik [34]3 years ago
5 0
Х years  -  Ishaan
(x + 12) years  -  Ben

3 years ago :
(х - 3) years  -  Ishaan
((x + 12) - 3) years  -  Ben
-------------------------------------------------
 (x + 12) - 3 = (x - 3) * 4
 x + 9 = 4x - 12
 x - 4x = - 12 - 9
 - 3x = - 21
 x = 21 : 3
 х = 7 years - is Ishaan now.


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