Answer:

Step-by-step explanation:
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11x11=121
$140-121=19
19/7=
It would take approximately 2hours and 71 minutes to meet her requirements.
2,320 people is the new population amount.
The answer is 4 7/8 or 4 and 7 over 8.8 goes into 39 4 times and then you have a remainder of 7 and the denominator 8 stays the same.