23 can round to 20 and 21 can also round to 20 so all u do is 20x20=400 so 400 is your estimated answer
If it takes 1/5 hour to fill 60 gallons
than multiply the fraction by 5 to get a whole hour
and multiply the 60 gallons by 5 to get the amount of water created in that hour
60*5= 300 gallons of water in 1 hour
Answer:
385-13x
Step-by-step explanation:
that is my answer
Answer:
None of the above
Step-by-step explanation:
x-1/3 = k
We know that k=3, so we can substitute that into the equation
x-1/3 = 3
Add 1/3 to each side
x-1/3 + 1/3 = 3+1/3
x = 3 1/3 or as an improper fraction 10/3
You just have to multiply each number by 180 and that's how many you have of each color respectively