Answer:
b = 6
Step-by-step explanation:
Cross multiply: 39(b) = (26)(9)
39b = 234
Divide both sides by 39
[tex]\dfrac{26}{b}=\dfrac{39}{9}\qquad\text{cross multiply}\\\\39b=(26)(9)\\\\39b=234\qquad\text{divide both sides by 39}\\\\\dfrac{39b}{39}=\dfrac{234}{39}\\\\b=6[/tex]
