Answer: 
Step-by-step explanation:
The volume
of a rectangular prism is given by:

If the chocolate bar has the following dimensions:



Its volume is:


It will take two and half hours because if she moves 14 flowers every hour and there 35 left it will take her two hours to move 28 since 14+14 is 28 and it will take half that time to get from 28 to 35 because 35-28 is 7. So you have your two 14s which equal 2 hours and then a 7 which is 30 mins. i’m
The probability for a boy is 8/12 and the girls is 4/12 so that's a 4/12 diffrence