pa sagot with solution plsss pasagot ng maayos

Answer:
3.)600
4.)90%
5.)44%
Step-by-step explanation:
3.)90% × 6000= 5400
6000-5400=600
4.)72÷80=0.9
0.9 × 100=90%
5.)28÷50=0.56
0.56×100=56%
56%-100%= 44%