So 3:4::198:?. 3 is to 198 as 4 is to ?. You're solving for ? so you want that on the top of the fraction. 4/3=?/198. Multiply both sides by 198. ?=(4/3)(198)=264 women. Then add the men. 264+198=462 workers.
Check your work. (462/7)*3=198 men.
Three sides, because if you make a clean cut the surface of the cut is a triangle.
8-(4c-5)=11
8-4c+5=11
13-4c=11
-4c=-2
C=1/2
Answer: M≤ $15
Step-by-step explanation: