You add 70 + 50 then you multiply it by 7.5 and you get, 900 gallons.
For this case, the first thing we must do is define variables.
We have then:
x: number of minutes
y: final temperature
We write then the equation that models the problem:

For y = 20 we have:

Clearing x:
Answer:
The temperature of the water will be 20 degree celcius after 150 minutes
Answer:
flaimgo/albert
Step-by-step explanation:
Answer:
its B... i think(sub2pewdiepie)
Step-by-step explanation:angle 4 is 100 degrees and 4 and 8 are corresponding