SOLUTION: Help me solve this?
Jack is twice as old as Jill. In 2 years Jack will be four times as old as Jill was 9 years ago. how old are they now?
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Question 943822: Help me solve this?
Jack is twice as old as Jill. In 2 years Jack will be four times as old as Jill was 9 years ago. how old are they now?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Jack is twice as old as Jill.
....eq.1
In two years Jack will be four times as old as Jill was nine years ago.
....eq.2
How old are they now?; solve the system:
....eq.1
....eq.2....substitute Jack from eq.1
....eq.2
years old now
then
....eq.1
years old now
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