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Ronch [10]
3 years ago
8

The question is the picture​

Mathematics
1 answer:
emmainna [20.7K]3 years ago
7 0

Answer:

1/5x

Step-by-step explanation:

A gradient is another word for slope.

every 4 minutes the volume increases by 20

so = rise/run = 4/20

now reduce

4/20

2/10

1/5

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Now follow PEMDAS:
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