Answer:
[tex]Nick's\ earning=\$ 176.25[/tex]
Step-by-step explanation:
Let total meal served[tex]=\$x[/tex]
[tex]Tip=15\%\ of x=\frac{15}{100}x=0.15x\\\\Nick's\ earning=75+0.15x\\\\Here\ x=\$675\\\\Nick's\ earning=75+0.15\times 675=75+101.25=\$ 176.25[/tex]