Answer:
Each oven is discounted by $40
Step-by-step explanation:
Total discount for 12 ovens is $480, so:
$480/12 = $40
$40 discount per oven.
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Answer:
7/15
Step-by-step explanation:
If we're seeing how much pizza they both ate, we would add them together.

Find the common denominator

add

7/15 of the pizza was eaten
Step-by-step explanation:
Given
The pair of lines are

For the first line, if y=0, x=2
if x=0, y=-4
Similarly, for second line , if y=0, x=-2
if x=0, y=2
Plot the given point and draw the line.
From the graph the two lines meet at (6,8)
5/8=15/x
cross multiply and divide to find x.
8*15=120
120/5=24
You would need 24 drops of yellow