50 % is half, which means half are not for sale.
The fraction for half is 1/2
Multiply total boats by 1/2 = 33 boats are not for sale.
Ratio is the comparison of sizes of two quantities of the same unit. Proportions are the equality of two ratios. A/b =c/d
Can't see it the equation is to blurry.
Answer:
the perfect square trinomial formula is: a 2 ± a b + b 2 a^{2} \pm ab + b^{2} a2±ab+b2.
2/5 + 5/6
Start with the denominator
To compare or combined they must be the same kind. Basically the bottom numbers have to be the same.
5 x 6 = 30
Now go across from the bottom number to the top
5 x 5 = 25
6 x 2 = 12
12/30 + 25/30 = 37/30