IDNStudy.com, kung saan ang iyong mga tanong ay natutugunan ng mga maaasahang sagot. Ang aming komunidad ay nagbibigay ng eksaktong sagot upang matulungan kang maunawaan at malutas ang anumang problema.

Math
Age problem solving
Dina is twice as old as claudine.he sum of their age is 72.find their present age?


Sagot :

2x+x=72
3x=72
Divide both sides by 3 we get:
24 which is Claudine's age
and 48=Dina's age

S=2x+x=72
    3x=72
    3x/3=72/3
     x= 24  
S=x=24{claudine's age}
    2x=48{Dina's age}