Answer:

35 questions

Step-by-step explanation:

Let's start by finding the total number of questions on the math test. We know that Jennifer answered 80% of the questions correctly, so we can set up the equation:

28 = 0.8x

Where x is the total number of questions on the test.

To solve for x, we divide both sides by 0.8:

28/0.8 = x

This gives us the total number of questions on the test, which is 35.

Now, we can find the percentage, base, and rate.

Percentage: Jennifer answered 28 questions correctly, which is 80% of the total number of test items.

Base: The base is the total number of test items, which we just found to be 35.

Rate: The rate is the percentage that Jennifer answered correctly, which is 80%.

So, to summarize:

The test had 35 questions

Jennifer answered 28 questions correctly, which is 80% of the test

The base is 35

The rate is 80%

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Answer:

35

Step-by-step explanation: