SOLUTION: HELP! Ana, Bob, and Chris will not disclose their weights but agree to be weighed in pairs Anna and Bob together weigh 226 pounds. Bob and Chris together weigh 210 pounds. Anna and
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Question 130896This question is from textbook ALGEBRA FOR COLLEGE STUDENTS MARK DUGOPOLSKI
: HELP! Ana, Bob, and Chris will not disclose their weights but agree to be weighed in pairs Anna and Bob together weigh 226 pounds. Bob and Chris together weigh 210 pounds. Anna and Chris together weigh 200 pounds. How much does each student weigh?
This question is from textbook ALGEBRA FOR COLLEGE STUDENTS MARK DUGOPOLSKI
Answer by fners(16) (Show Source): You can put this solution on YOUR website!
eq1:A+B=226
eq2:B+C=210
eq3:A+C=200
eq3:A=200-C
Plug eq3 into eq1.
eq1:(200-C)+B=226
eq2:B+C=210
eq1:B=226-(200-C)=26+C
Plug eq1 into eq2.
eq2:(26+C)+C=210
26+2C=210
2C=210-26=184
C=184/2=92
should be easy from here.
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