10. Since it you want to find how many 0.3s it would take to make 3, you would divide 3 by 0.3 or move the decimal over one spot to the right making it 10.
With the given information we can only assume that the mother was 24 when they had a child because there's no information on if the mother or father is older or anything like that so therefore the father would be 24 when the child is born as well, making the father 48 when the child reaches 24.
Let p represent the number of people originally in the fort. Then the quantity of provisions is 90p (person-days). The scenario can be described by
90p = 20p +50(p+600)
90p = 70p +30000 . . . . . . . eliminate parentheses
20p = 30000 . . . . . . . . . . . . subtract 70p
p = 1500 . . . . . . . . . . . . . . . . divide by 100
There were originally 1500 people in the fort.
The equation would be 10÷8
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