Answer:
the answer is -10
Step-by-step explanation:
Its basically multiplication
Let
x----------> the first mechanic rates
y----------> the second mechanic rates
we know that
x+y=165
15x+5y=1775
using a graph tool
see the attached figure
the solution is
x=95
y=70
the answer is
the rates of the first mechanic is 95the rates of the second mechanic is 70
Answer: 3 hours and 25 minutes
Step-by-step explanation: