40/3 days, (13.33 days)
Step-by-step explanation:
Set up the equation, 15/20 = 10/x, and then use cross mutiply to solve it.
10 * 20 = 15x, x = 200/15 = 40/3
Why?
b/c if each pig eats the same amount of food, then the ratio between the number of pigs and days should remain constant.
Answer:

Step-by-step explanation:


Answer:
(x - 4)(x - 4)
x = 4
Step-by-step explanation:
x² - 8x + 16
= (x - 4)(x - 4)
x - 4 = 0
x = 4
Answer:
No, she's wrong

Step-by-step explanation:
So starting from the beginning...

Subtract the 3 from both side and it will look like...

Then add 2x from both sides and it will look like...

Finally divide by 5 to both sides and it will look like...
