# Tutor profile: Stephanie O.

## Questions

### Subject: Writing

Correct the following sentence: Do you want to go to the park Molly asked.

First sentence: Do you want to go to the park Molly asked We can play catch. This is a run-on sentence. Because someone is speaking, we need to add quotation marks around the question that Molly asks. As it is a question, we also need to include a question mark before closing off the quote. A coma is always placed before the rest of the sentence to indicate that the words are not being said by the person of interest. Correct sentence: "Do you want to go to the park?", Molly asked.

### Subject: English

Correct the following sentence: I go to the store to buy peanut butter yesterday.

In the sentence, the main verb is "go" and is in the present tense. However, the end of the sentence indicates that the action was performed in the past, "yesterday". The verb should be put into the past tense since it is not happening at the present moment. If the present tense verb is "go", the past tense of the verb is "went". Thus, the sentence should be written as: I went to the store to buy peanut butter yesterday.

### Subject: Algebra

Nikki rides her bike to and from work three days a week, and she takes the train to and from work two days a week. Nikki's workplace is 20 minutes one-way by train, and it takes Nikki 35 minutes to get to work on her bike. How many minutes does Nikki spend getting to and from work in a week (assuming she works 5 days a week)?

Nikki spends 3 days taking a bike and 2 days riding the train. That means she spends 5 days a week going to work. If the train takes 20 minutes one-way, that means that it takes 40 minutes in total to get to and from work in one day. Because there are 2 days in the week that Nikki takes the train, you multiply 40 by 2 to get a total of 80 minutes per week of traveling by train. Nikki takes 35 minutes to get to work on her bike, and it takes another 35 minutes to get home. Adding 35 minutes and 35 minutes equals a total of 70 minutes of traveling by bike per day. Nikki rides her bike 3 times a week, so you can multiply the total minutes she spends on her bike each day by 3. 70 minutes times 3 days equals 210 minutes total to bike to and from work every week. So Nikki takes 80 minutes a week riding the train, and 210 minutes taking her bike, to work. We add these two totals (80 and 210) because we want to know the total time Nikki spends traveling to and from work no matter the method of transportation. Adding 80 and 210 gets us to a total of 290 minutes. Thus, Nikki spends a total of 290 minutes traveling to and from work every week.

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