X=time of the third person it would take to fill the pool
We can suggest this equation:
6[(1/20) + (1/15) +(1/x)]=1
6[(3x+4x+60)/60x]=1
(7x+60)/10x=1
7x+60=10x
7x-10x=-60
-3x=-60
x=-60/-3
x=20
Answer: the third person alone would fill the pool in 20 hours .
Answer:
$46000
Step-by-step explanation:
if x represents the previous years revenue, and they made 35% more than x, we need to find what 35% of x is and then add it to x to get the new total, so the equation becomes:
x + .35x = 62100
1.35x = 62100
x = 46000
Answer:
the next number in the sequence would be 7.68
Step-by-step explanation:
you are multiplying by 4. 0.03 multiplied by 4 equals 0.12, and so on.
It's the slope-point formula:

We have:

Therefore, the slope 
Answer:
nope it would be B (1)
Step-by-step explanation: