SOLUTION: Mr Davis is three times as old as his only son, Peter. five years ago, Mr Davis was four times as old his son Peter.
1.Write down two equations regarding thier age?
2.and how
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Question 1121274: Mr Davis is three times as old as his only son, Peter. five years ago, Mr Davis was four times as old his son Peter.
1.Write down two equations regarding thier age?
2.and how old were Mr Davis and Peter ten years ago?
Found 2 solutions by Boreal, solver91311:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Davis=D
Peter=P
Now, D=3P
5 years ago D-5
D-5=4(P-5)
D-5=4P-20
D=4P-15
substitute
3P=4P=15
P=15 years old
D=45 years old
5 years ago it was P 10 and D 40.
10 years ago it was P 5 and D 35
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
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