Answer:
Interest: $50 | Total: $250
Step-by-step explanation:
You are going to want to use the simple interest formula for this. The one below is modified for solving the interest earned.

<em>I = interest amount
</em>
<em>P = principal amount
</em>
<em>r = interest rate (decimal form)
</em>
<em>t = time</em>
<em />
Now we can plug in the values into the equation:


This means that Ariane is charged $50 worth of interest. She has to pay back $250 total dollars.
Marco rounded the meters to the thousandths place. -J
Answer:
2n³ + 4
Step-by-step explanation:
Take off the parentheses (brackets) because there is nothing to multiply with it :
5 + 5n³ - 1 - 3n³
Now arrange the equation :
5n³ - 3n³ + 5 - 1
Subtract all the same variables :
5n³ - 3n³ = 2n³
5 - 1 = 4
Now arrange the equation again :
2n³ + 4
Step-by-step explanation:
