4- 7x = 23- 5
4 - 7x = 18
-4 = -4
-7x = 14
/-7 = /-7
X = -2
3x = -6
That is 1/23 because that is 1 student out of 23 total students
Comparing 1/4 and 1/3 Draw a picture of these 2 fractions. You would see that 1/3 is bigger that 1/4.
Final Answer: 1/3 of 12
Hope I helped!
If I am correct the answer should be 25 times cause 550x7.5%= 41.25 and 41.25x25=1,031.25