Solution:
[tex] \frac{b + 4}{5} = \frac{7}{4} \\ (5)\frac{b + 4}{5} = \frac{7}{4}(5) \\ b + 4 = \frac{35}{4} \\ b + 4 - 4 = \frac{35}{4} - 4 \\ b = \frac{35 - 16}{4} \\ b = \frac{19}{4} [/tex]
Answer:
[tex]b = \frac{19}{4} \\ [/tex]
or
[tex]b = 4.75[/tex]
