Answer: 1 hour 20 minutes
<u>Step-by-step explanation:</u>
Let's figure out how long it would take 1 person to dig the hole and then divide that number by 9 (since they are sharing the workload).
The answer to your questions is 11 because PEMDAS. () exponents multipication division addition and subtraction.
The answer is 1.869 or 1.87
Step-by-step explanation:
the answer is in the picture above