## Algebra 1

Given the Ratios $\frac{12}{b} = \frac{36}{51}$ Cross Multiply $12\times51 = b\times36$ Simplify left side by multiplying 12 and 51 $612 = 36b$ Divide both sides by 36 $\frac{612}{36} = \frac{36b}{36}$ b= 17 Therefore the solution is 17.