Answer:
[tex]b_{2}[/tex] = 5
Step-by-step explanation:
Substitute the given values into the formula
16 = [tex]\frac{1}{2}[/tex] × 4(3 + [tex]b_{2}[/tex])
16 = 2(3 + [tex]b_{2}[/tex]) ( divide both sides by 2 )
8 = 3 + [tex]b_{2}[/tex] ( subtract 3 from both sides )
5 = [tex]b_{2}[/tex]
