Answer:
oh my god
Step-by-step explanation:
why is your image blockedddd
8090kg-4854kg=decrease in kg ----- find the difference
3236=decrease in kg
3236kg/8090kg=percent decrease ----- decrease/original amount
0.4= percent decrease ------ percent decrease in decimal form
0.4*100=percent decrease ------ multiply by 100 to get percent form
40% decrease
21 + 28 = 49 students
Ration of history 21 to students 49 = d)21:49