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anonymous
 4 years ago
Hello, I have a math question that has me stumped, could any give me the way to figure it out?
Tina is twice as old as her cousin Sally. Their ages when added are 21years. How many years old is each girl? Thanks
anonymous
 4 years ago
Hello, I have a math question that has me stumped, could any give me the way to figure it out? Tina is twice as old as her cousin Sally. Their ages when added are 21years. How many years old is each girl? Thanks

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Hero
 4 years ago
Best ResponseYou've already chosen the best response.0t + s = 21 t = 2s Solve the system

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Frame a equation as follows : Let the age of Sally be x ,then the age of Tina is 2x.Thus according to the question : 2x + x = 21 .

Hero
 4 years ago
Best ResponseYou've already chosen the best response.02s + s = 21 3s = 21 s = 7 t = 14

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you so much, I got it now how do I explain this to an 8yr old so she can get it too!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0If one is twice as old as the other, onethird of their total age is half the age of one and the age of the other.
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