Question 165953
First employer equation is  P(t)=8.1t
Second employer equation is: P(t)=6.75t+45

then we have to find t with P(t)=Q(t)

8.1t=6.75t+45
1.35t=45
t=45/1.35=1/0.03=100/3 hours 33.33 hours (aprox)