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# Tutor profile: Trevor F.

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Trevor F.
Certified Public Accountant
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## Questions

### Subject:Spanish

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Question:

What is the difference between preterite and imperfect tense?

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Trevor F.

Preterite tense is a specific point at a time. For example, you would use the preterite tense when you say, "I arrived at the party," because there was one specific point in time that you arrived. You would use imperfect tense to say, "when I was at the party," because it is not a specific point in time.

### Subject:Basic Math

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Question:

What is 20% of 350?

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Trevor F.

The easiest way to answer this is by first figuring out what 10% is. We know that all you have to do for that is move the decimal one place to the left. So, 10% of 350 is 35. Next, we know that 20% is double 10%. So, we do 35 x 2 = 70. Thus, 70 is 20% of 350.

### Subject:Accounting

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Question:

What is Cost of Goods Sold?

Inactive
Trevor F.

Cost of Goods Sold is the amount a business paid for the product they sold. For example, if they bought something for \$10 and then sold it for \$30, the Cost of Goods Sold would be \$10. The \$30 would be the sales revenue.

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