Answer:
231
Step-by-step explanation:
35 % = 0.35
35 % of the students participate in sports
No. of students participating = 0.35 × 660 = 231
-4(x-7)=36
-4x+28=36
-4x=8
x=-2
68.8% is your answer
when changing a decimal to a percentage, move the decimal point twice over
hope this helps
5-2=3 so therefore y=3
Remember to work backwards and use opposite operations.