Question

john is twice as old as his friend peter. peter is 5 years old than alice. in 5 years, john will be three times as old as alice. how old is peter now?

Answer 1

Answer:

10 years

Step-by-step explanation:

John = 2(x + 5)

Peter = x + 5

Alice = x

2(x + 5 + 5) = 3(x + 5)

2x + 10 + 10 = 3x + 15

3x + 15 = 2x + 10 + 10

3x + 15 = 2x + 20

3x -2x = 20 - 15

x = 5

John = 2(x + 5) =2(5 + 5)=10+10=20

Peter = x + 5 =5+5=10

Alice = x=5

Answer 2

Answer:

10 years

Step-by-step explanation:

John = 2(x+5)

peter = x+5

Alice = x

A/Q

2(x+5+5) = 3(x+5)

2x +10 +10 = 3x +15

2x- 3x = 15-10 -10

-x = 15-20

-x = -5

x= 5

John's age = 2(x+5)

= 10 +10

= 20years

Peter age =10 years

Alice = 5 years

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