Answer:
I think its -120 but am not sure so sorry if its wrong
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:

Step-by-step explanation:

Split the second term (5x) into two terms. Multiply the coefficient of the first term (2) by the constant term (3):

Find which two numbers add up to 5 and multiply into 6:

Split 5x as the sum of 3x and 2x:

Now factor out a common term for the first 2 terms:

And do the same for the last 2 terms:

Re-insert:

Factor out the common term 2x+3 and insert the values in front of the parentheses (x and 1):

Separate the parentheses and equal them to 0. Solve for x:

and

Answer:
(0,1)
Step-by-step explanation:
hope this helps !
could u check out my recent question I asked no one has helped me and I'm stuck and I'm also kinda slow . pleaseee