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ICE Princess25 [194]
3 years ago
11

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

Mathematics
2 answers:
Mashutka [201]3 years ago
6 0
J + t = 30
j = 2t - 3

2t - 3 + t = 30
3t - 3 = 30
3t = 30 + 3
3t = 33
t = 33/3
t = 11 <=== tritt's age is 11

j = 2t - 3
j = 2(11) - 3
j = 22 - 3
j = 19 <== jan's age is 19
kati45 [8]3 years ago
5 0
2x-3=30
2x+3-3=33
2x/33
x=16.5
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