Answer: 431 reserved seats were sold.
Step-by-step explanation:
<h3>4(1787-y)+3y = 5792
</h3><h3>7148-4y+3y = 5792</h3><h3>x+1356=1787
</h3><h3>x=431</h3><h3 /><h3>Hope this helps :)</h3>
Solve each equation separately:
(-1, 3) Has to be a point that fits both equations
y = 2x + ____
Plug in Values:
3 = 2(-1) + ____
3 = -2 + ____
___ = 5
First Blank: 5
y = ___x - 1
Plug in Values:
3 = ___(-1) - 1
4 = ___(-1)
___ = -4
Second Blank: -4
Answer:

Step-by-step explanation:
Sum the frequency column to find the total number of students
total = 2 + 9 + 5 + 5 + 3 = 24
number of students finished in less than 20 mins = 2 + 9 + 5 = 16
fraction of students =
= 
Answer:
Step-by-step explanation:
$10-$2.50=$7.50
$7.50/ $1.50 = 5
Hope this helped! Ask me if there's any part of the working you don't understand! :)