Grisham is considering the three situations below. 1. For the first 28 days, a sunflower grows at a rate of 3.5 cm per day. 2. The value of a car depreciates at a rate of 15% per year after it is purchased 3. The amount of bacteria in a culture triples every two days during an experiment. Which of the statements describes a situation with an equal difference over an equal interval?

The situations 1 and 2 describes an equal difference over an equal interval.

Step-by-step explanation:

1. A sunflower grows at a rate of 3.5 cm per day, for the first 28 days.

Here, the growth of the sunflower per day is uniform i.e. 3.5 cm.

2. After the car is purchased the value of a car depreciates at a rate of 15% per year.

Here, also the the depreciation of the car's value is equal i.e. 15% of initial value per year.

3. During an experiment, the amount of bacteria in a culture triples every two days.

Here, the growth of bacteria count is not equal per day because the bacteria count per day increases exponentially. (Answer)

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step-by-step explanation: