You water the plants in your classroom at a constant rate. After 5 seconds, your watering can contains 58 ounces of water. Fifteen seconds later, the can contains 28 ounces of water.

a. Write an equation in slope-intercept form that represents the amount yy (in ounces) of water in the can after xx seconds.

Question

Jasper Smith

Mathematics

22 December, 21:52

You water the plants in your classroom at a constant rate. After 5 seconds, your watering can contains 58 ounces of water. Fifteen seconds later, the can contains 28 ounces of water.

a. Write an equation in slope-intercept form that represents the amount yy (in ounces) of water in the can after xx seconds.

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Answers (1)

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Porter Norman · Answer 1

58-28=30 and 30 ounces divided by 25 seconds means that 2 ounces are emptied every second. This is where you get your 2x. Since it's emptying you subtract, and since you poured for five seconds before it was at 58 ounces, you started at 68.

y=68-2x