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tina is ten years older than cosmo. in 4 years, tina will be twice as old as cosmo. how old are they now

Solution

tina is ten years older than cosmo. in 4 years, tina will be twice as old as cosmo. how old are they now

Solution

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

Solution steps

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

Solve for

x, x + 4 = 2 (x - 10 + 4) : x = 16

Find age

Tina^{'} s age is : 16

Cosmo^{'} s age is : 6

Popular Examples

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