It is 0.23 because 84-61 is 23 and 23 Divided by 100 is 0.23
C. $360
$224x4=896 (total profit)
$896 (total) - $536 (first month profit) = $360 (second month profit)
Answer: 4:20 but that simplified would be 1:5
Triangles to squares
The answer is -3 because you have to add 9 to both sides, then you have to divide by -7 to both sides to get your answer: f = -3
If you are not sure if the answer is right, then plug the answer in the problem to see your answer is correct or not.