Question

a) 18:5;
49:14;
35:4;
172:5;
341:2;
b) 138 : 15;
651:12;
1 013:25;
423:24;
1 239:12;
c) 23:10;
2312: 100;
11:1000;
257:10 000;
175: 105;
d) 1316:40;
108 : 72;
5675:50;
2 742:32;
7777 : 28.​

Answer 1

18:5=3,6

49:14=3,5

35:4=8,75

172:5=34,4

341:2=170,5

138:15=9,2

651:12=54,25

1013:25=40,52

423:24=17,625

1239:12=103,25

23:10=2,3

2312:100=23,12

11:1000=0,011

257:10000=0,0257

175:105=1,(6)

1316:40=32,9

108:72=1,5

5675:50=113,5

2742:32=85,6875

7777:28=277,75