Multiple choice

A man completes $\dfrac{5}{8}$ of a job in $10$ days. At this rate, how many more days will it take him to finish the job?

  1. $5$
  2. $6$
  3. $7\dfrac {1}{2}$
  4. $7$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

5/8 of job in 10 days. 1/8 of job in 2 days. Remaining 3/8 of job in 3 * 2 = 6 days.

AI explanation

Using the unitary method, if the man completes 5/8 of the job in 10 days, his daily work rate is 1/16 of the job per day. The remaining work is 3/8 of the job, which requires 6 days to finish at this rate.

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