SOLUTION: Andrew's grandfather's age is eight times Andrew's age. If Andrew's grandfather was 56 years old when Andrew was born, how many years old is Andrew now?
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Question 930984: Andrew's grandfather's age is eight times Andrew's age. If Andrew's grandfather was 56 years old when Andrew was born, how many years old is Andrew now? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = grandfather age
y = andrew age
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x = 8y
x - y = 56
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put the system of linear equations into standard form
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x - 8y = 0
x - y = 56
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = grandfather age = 64
y = andrew age = 8
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