Answer: No it's not possible to form a triangle
Why not? Because the shorter sides 2 ft and 3 ft don't add to a result longer than 7 ft
2+3 = 5
For a triangle to be possible, the sum of any two sides must be larger than the third side. Refer to the triangle inequality theorem.
If you say it as a whole number it will be the same number that you did right now
3/4 of a pound. Why? 1/4 & 3/4 have the same denominator so you just compare the numerators. 3 is obviously bigger then 1 so there is your answer. If you were thinking about let's say cakes it would be the other way around. Would you rather share it with 3 people and get small pieces or share it with 1, which can basically be yourself.
$70/day because a week has seven days so 490 divided by 7 is 70
Is it just x=b-cd
If so
cd=b-x
÷d. ÷d
C=b-x/d