Answer
a= 18, b=36, c=48
Work Step by Step
a+b+c= 102
b=2a
c=a+30
$=\gt 4a + 30 = 102 \lt=\gt 4a=72 \lt=\gt a= 18, b=36, c=48$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.