Answer:
28+12x
Step-by-step explanation:
Multiply 7 with 4
Multiply 3x with 4
What does the rest of the question say??
Answer:
15 days
Step-by-step explanation:
Let x be the number of days needed for B to complete the job. Then x-5 is the number of days needed for A to complete the job.
In 1 day,
- A completes
of all work; - B completes
of all work.
Hence, in 1 day both A and B complete
of all work. A and B working together can do a work in 6 days. Then

Solve this equation:

If
then
that is impossible. So, B needs 15 days to complete the work alone.
Answer: its 2.50 so B
Step-by-step explanation: I just did the test
Answer:
y=4x-8
2
Step-by-step explanation:
that is that givin