Answer:
415/619
Step-by-step explanation:
619 is a prime number, so the fraction is in simplest form already.
<em>Greetings from Brasil...</em>
Be that unknown number X
Then we can write the following expression:
X + 4.7 = 8.1
<h2>X = 3.4</h2>
A, because its the exact opposite of what the previous statement says.
She saved up a total of $82.60, and had to spend a total of $60.90, so she would have $21.70 left and need to save up another $180.40, hope this helps