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4My grandson is about as many days as my daughter in weeks, and my grandson is as many months as I am in years. My grandson, my daughter and I together are 120 years. Can you tell me my age in years ?
Asked by Ayushi Sharma Last Modified
Answer 
Let my age is M, son's age is S, and grandson's age is G.
Given:- My grandson is as many months as I am in a year.
So, M = 12G..........(1)
And, my grandson is about as many days as my son is weeks.
So, S = 7G...........(2)
It's is given that sum of all thee ages is 120.
So M + G + S = 120........(3)
By solving equations 1, 2 and 3, we will get G = 6year, S= 42 years and M = 72 years.
Hope you got it...!!!
read less:
x= grandson's age
y = daughter's age
z= my age
:
"My grandson is about as many days as my daughter is weeks,"
y= 7x
:
my grandson is as many months as I am in years.
z = 12x
:
x+ y+ z= 120
Substitute for yand z
x + 7x + 12x = 120
20x= 120
x = 120/20
x = 6 yrs is grandson's age
then
y= 7(6) = 42 yrs is daughter's age
and
z = 12(6) = 72 yrs is my age
read less
Let my age be. x years
My grandson's age. = x months = x/12 years=. (x/12).365 days
My daughter's age. =(x/12).365 weeks
=(x/12).365.7 days
=[(x/12).365.7]/365 years
= 7x/12 years
Now,
Grandson +. Daughter + my age = 120
x + (x/12) + (7x/12) = 120
x. =. 72
read less
Assuming x,y, and zx,y, and z are the ages of your grandson, your son, and you respectively, expressed in years, then your system is:
Therefore x=6x=6, y=42y=42 and z=72
read lessView 17 more Answers
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