Answer :
Answer:
Number of workers needed = 7
Step-by-step explanation:
Given total number of workers = 30
number of workers not available = 9
Remaining number of workers = total number - workers not available
= 30-9=21=30−9=21
Given, number of workers required = 1/3 of the remaining workers
= \frac{1}{3} \times 21=7=
3
1
×21=7
Number of workers needed = 7