Answer:

Step-by-step explanation:
we have the ratio

To write as percent, multiply the ratio by 100
so

It would be about 72.72727272727273 %
Answer:
We use a symbol because pi itself is not just a number. It goes on forever and in order to represent this number we use the symbol of pi (π). Or we round it to 3.14.
Step-by-step explanation:
1:3 is the ratio to boys and girls. I know that 1/4 must be girls. 3/4 will be boys.
Divide 236 by 4.
236/4= 59
Multiply that by 3.
59*3= 177
177 of the students are boys.
I hope this helps!
~kaikers