A,B,C working togather take 8 min.to address a pile of envelopes.A and B together would take 10 min,A and C together would take 15 min. How long would each take working alone?
ManoramaUQ:
please give me answer
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Answered by
14
A+B+C =8
A+B=10
A+C=15
A+C+B=8
A+C =15
- - =-
_________
B= -7
A+B =10
A-7=15
A=15+7
A=22MIN
A+B=10
A+C=15
A+C+B=8
A+C =15
- - =-
_________
B= -7
A+B =10
A-7=15
A=15+7
A=22MIN
Answered by
4
Answer:
The person answered above is wrong
Step-by-step explanation:
pls don't trust him
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