During the summer, a river's height decreases by 0.05 inch every day. What is the change in the river's height after 20 days?

it decreases by 1 inch total

Step-by-step explanation:

if it decreases by .05 inches per day for 20 day, then that would be .5 times 20, which equals 1, so in total, the river decreased 1 inch

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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