Răspuns:
Explicație pas cu pas:
[tex]a) \frac{5}{100}*200=10\\ \\d)\frac{60}{100}*1800=1080\\ \\b)\frac{10}{100}*250 = 25\\ \\c) \frac{25}{100}*1700=425\\ \\e) \frac{120}{100}*265400 = 318480\\ \\f) \frac{125}{100}*125 = 156,25\\ \\g)\frac{2}{3}:100*60=0,00666*60 = 0,4[/tex]
-----exercitiul 2---------
a) 70.......100%
10........x => x= 10 *100:10 =>x = 14,28%
[tex]b) 360...........100 procente \\\\ 90.............x => x = 90*100:360 => x = 25 procente \\\\c) 240 ..........100 procente \\ \\ 8............. x => x - 8*100:240 => x = 3,33 procente \\\\d) 25 ...........100 procente \\ \frac{5}{2}........x => x = 100*2,5:25 => x = 10 procente \\\\e) 200......100 procente \\ \\ 20........x => x = 20*100:200=> x = 10 procente \\\\f) 100..........100 procente \\ \frac{4}{5}....x => x = 0,8*100:100 => x = 0,8 procente \\ \\[/tex]
[tex]g) 20000....................100 procente \\ \\ \frac{1}{25}.............x=> 0,04*100:20000=> x = 0,0002 procente\\\\h) 80.............100 procente \\\\ 400.............x => 400*100:80=> x = 500 procente \\\\\\i) 7.......................100 procente \\\\ 35 ...........................x=> x = 35*100:7=> x = 500 procente[/tex]
