Answer:
%130 percent increase
Step-by-step explanation:
To find the percentage, divide 39 by 30. This gives you the number that is multiplied with 30 to get 39. The answer is 1.3. Then, convert to a percentage by moving the decimal two places to the right. This gives you %130.
I hope this helps :)
x = 7.3
area = base × height / 2
21.9 = 6 × x / 2
43.8 = 6x
Answer: 6
