Add 7 to both sides
2x = 21
Divide by 2
X = 10.5
24:1200=1:50
7.2:360=1:50
Answer is 1:50
5h + 9 = 10h + 6 - 5h + 3
Sqrt(21) is approx. 4.6, which is between 4 and 5 (answer)
The answer is C) 4.24
4% + 7% = 11%
to get 11% of 38.50 you move the decimal two spaces to the left on the percent and multiply that number by the other number.
11% ---> .11
38.50 x .11= 4.24.
I hope this answer gave you a better understanding on how to work with percentages! :) Have a good day :)