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Leona [35]
3 years ago
8

Joshua is five years older than David. Simon is four years older than Joshua and nine years older than David. Simon’s and David’

s ages added together equal 15. How old are the boys?
Mathematics
1 answer:
Tasya [4]3 years ago
8 0
David's age: x
Joshua: x + 5
Simon: (x+5) + 4 or x + 9

Simon's age + David's age = 15
(x+9) + (x) = 15
2x = 15 - 9
2x/2 = 6/2
x = 3

The ages of the boys:

David: x = 3 years old
Joshua: 3+5 = 8 years old
Simon: 3+9 = 12 years old



Read more on Brainly.ph - https://brainly.ph/question/1602102#readmore
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