x**2 + y**2 = r**2
r=?
x=3
y=6
r
r=?

$$Brix = \frac{Brix_{syrup} \cdot \delta_{syrup} + (Brix_{water} \cdot \delta_{water} \cdot Rateo)}{\delta_{syrup} + \delta_{water} \cdot Rateo}$$

$$Brix_{Bev} = \frac{Brix_{syr} + Brix_{H_2O} \cdot R_M}{R_M + 1}$$