To complete the same job, Tom takes 10 days, Lee takes 20 days, and Chris takes 15 days. If they follow the order of Tom, Lee and Chris per person per day, how long can they finish this job?
A.
15
B.
\(\frac{41}{3}\)
C.
\(\frac{60}{13}\)
D.
\(\frac{180}{13}\)
Exam No：2020 First Round Grade 6 Year：2020 Question No：32
Answer:
B
Knowledge points:
G6 - Arithmetic - Rate, Speed, & Time Problems
Solution:
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