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mary is 5 years older than lily. if the sum of their ages together is 51, what are their ages?

Solution

mary is 5 years older than lily. if the sum of their ages together is 51, what are their ages?

Solution

Mary^{'} s age is : 28

Lily^{'} s age is : 23

Solution steps

Translate the problem into an equation:

x + x - 5 = 51

Solve for

x, x + x - 5 = 51 : x = 28

Find age

Mary^{'} s age is : 28

Lily^{'} s age is : 23

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