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Andrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?

Solution

Andrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?

Solution

Maddy^{'} s age is : 24

Solution steps

Translate the problem into an equation:

x - 6 = 2 (78 - x)

Solve for

x, x - 6 = 2 (78 - x) : x = 54

Find Maddy's age

: 24

Maddy^{'} s age is : 24

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