Out of 1,200 students, 700 are boys. Therefore, the fraction would be [tex] \frac{700}{1200} [/tex].
To convert this into a percentage, divide 700 by 1,200.
[tex] \frac{700}{1200} [/tex] = 0.583333 (or just 0.583 if you round)
Multiply 0.583 by 100 to get a percentage.
0.583 · 100 = 58.3
So, the percent of boys at the school is 58.3%.