Answer:
b = [tex]\frac{8y-80}{5}[/tex]
Step-by-step explanation:
Given
y = [tex]\frac{5}{8}[/tex] b + 10
Multiply through by 8 to clear the fraction
8y = 5b + 80 ( subtract 80 from both sides )
8y - 80 = 5b ( divide both sides by 5 )
[tex]\frac{8y-80}{5}[/tex] = b
