After 18 minutes there will be 486 gallons of water drained.
Answer and Explanation:
Gina wanted to swim at the pool. She is allowed to spend at most $30. The cost to swim in the pool is 3 dollars per hour plus a flat fee of $3. How many hours can Gina swim without going over her spending limit?
This problem can be represented by
.
'x' would be the number of hours. "At most" means less than or equal to. So, the value of x would have to be less than or equal to 30.

So, Gina would have a maximum of 9 hours to swim in the pool.
Hope this helps.
<span>3x+2y=13.95
3x+4y=18.33
-1(3x+2y=13.95)
-3x-2y=-13.95
</span>-3x-2y=-13.95
3x+4y=18.33
2y = 4.38
y = 2.19
y = 2.2
The first one (y2=m(x2-x1) +y1
Answer:
= this is that two expression two equal numbers