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barxatty [35]
3 years ago
5

Five years ago, John's age was half of the age he will be in 8 years. How old is he now?

Mathematics
2 answers:
Alexus [3.1K]3 years ago
4 0
Answer:
26 year old

Step by step explanation:
Five years ago, John's age was half of the age he will be in 8 years.
this means that (x-5) = (x+8)/2
-----
solving for x, we get:
2 * (x-5) = x + 8
which becomes:
2x - 10 = x + 8
which becomes:
x = 18
-----
john is 18 years old now.
5 years ago john was 13
8 years from now john will be 26
13 = 1/2 * 26
Zarrin [17]3 years ago
4 0

Answer:

Five years ago, John’s age was half of the age he will be in 8 years. How old is he

He is 18

Step-by-step explanation:

Solution:

=x-5 = (x+8)/2

=2[x-5 = (x+8)/2]

=2x-10 = x+8

=2x-x=10+8

=x=18

ANS: x=18

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