two pipes together can fill a tank in 12 hours alone the smaller pipe can take 7 hours longer than the larger pipe takes to fill
1 answer:
You might be interested in
Answer:
<h2>the slope m = 3</h2>Step-by-step explanation:
Look at the picture.
The formula of a slope:
From the graph we have the points (0, 4) and (-2, -2). Substitute:
