Answer: y varies directly as x ", " y varies proportionally as x ", or " y is directly proportional to x . ") This means that as x increases, y increases and as x decreases, y decreases—and that the ratio between them always stays the same.
Step-by-step explanation:
Answer:
3.5in
Step-by-step explanation:
in hour 3 the rainfall was 10.5,then in hour 5 the rainfall was 17.5in.
17.5-10.5=7
7/2=3.5
