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insens350 [35]
3 years ago
5

50 POINTS!!!!

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0
B is the correct answer because of the correct equation.And none of the others would make sense
mixer [17]3 years ago
7 0

Answer: Option 'B' is correct.

Step-by-step explanation:

since we have given that

Time taken to build a cabinet by Genna = 4 hours.

Time taken to build a cabinet by Claude = 3 hours

Now, time taken by both Genna and Claude to build a cabinet together is to be find.

Work done by Genna is given by

\frac{1}{4}

Work done by Claude is given by

\frac{1}{3}

According to question,

\frac{1}{4}+\frac{1}{3}=\frac{1}{x}\\\\\frac{3+4}{12}=\frac{1}{x}\\\\\frac{7}{12}=\frac{1}{x}\\\\x=\frac{12}{7}\\\\x=1\frac{5}{7}\ hours

Hence, Option 'B' is correct.


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