It costs $35 per hour to rent a boat at the lake. You also need to pay a $25 fee for safety equipment. You have $200. For how lo
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Let the length of one of the shorter pieces be 
. Then, we know that two of the pieces are that length, and the third piece is 
. Since these are all pieces of a rope, all we need to do to figure out the lengths is add all those together, solve for , and then plug that back in to the desired lengths:
Shorter pieces:
Longer piece:
Shorter pieces:
Longer piece:
Let the number of men and the number of women in the beginning be x and y
Now,
Now, In 2nd case,
No. Of men=x-63 and no. Of women =y-12
Now,the ratio becomes
Now,we have, 2x=5y
Putting the value of Y=56 in 2x=5y,we get,
Hence, the number of men was 140 and the no. of women was 56
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