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Ostrovityanka [42]
3 years ago
6

Jan's age is 3 years less than twice trits age. The sum of their ages is 30. Find their ages.

Mathematics
1 answer:
marissa [1.9K]3 years ago
4 0
Alright so let's make Jan's age "J" and Trits' age "T"
Jan's age is 3 years less than twice trits age: 2T-3=J
The sum of their ages is 30: J+T=30
We can plug the first equation into the second:
2T-3+T=30
3T-3=30
3T=33
T=11   So Trits' age is 11, and we can plug 11 for T for either equation
2(11)-3=J
19=J
Jan is 19 and Trit is 11 :)
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