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Tutor profile: Jennifer K.

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Jennifer K.
High School Math Teacher with 13 1/2 years experience
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Questions

Subject: Pre-Algebra

TutorMe
Question:

Approximately 28% of the students in the class did extra credit to improve their grade. If there are 26 students in the class, how many students did extra credit?

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Jennifer K.
Answer:

Remember that percent is how many per 100. We can write this as a decimal by taking the percent and dividing by 100. That means that 28% is 28/100 = 0.28. If you multiply this by how many students there are, you can find out how many did the extra credit. 28% of 26 .28 * 26 7.28 Since we can't have part of a student, we have to round to the nearest whole number. This gives us an answer of 7 students.

Subject: Basic Math

TutorMe
Question:

If we flip fractions when finding reciprocals, how do you find the reciprocal of a whole number like 5 or 8?

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Jennifer K.
Answer:

Remember that almost all numbers can be written as a fraction. 5 is really just 5/1 and 8 is 8/1. That means the reciprocal of 5 is 1/5 and 8 is 1/8.

Subject: Algebra

TutorMe
Question:

Describe two real-world situations where inequalities can be observed and write them as a mathematical expression.

Inactive
Jennifer K.
Answer:

In order to ride certain roller coasters, people must be at least 48 inches tall. If h represents height, then h≥48. I only have $25 dollars to spend on groceries for dinner. If c is the cost of my groceries, then c≤25.

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