Michelle20001 Michelle20001

20-08-2016
Mathematics

contestada

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

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texaschic101 texaschic101

20-08-2016

j + t = 30
j = 2t - 3

now we sub
(2t - 3) + t = 30
3t - 3 = 30
3t = 30 + 3
3t = 33
t = 33/3
t = 11 <== Tritt's age

j = 2t - 3
j = 2(11) - 3
j = 22 - 3
j = 19 <== Jan's age

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haileymoe haileymoe

20-08-2016

2x-3+x=30
3x-3=30
3x=33
Tritts age=x=11
Jans age=2x-3=2(11)-3=22-3=19

Tritt=11
Jan=19

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