# in a classroom,the ratio of boys to girls is 3 to 4.if there are 12 boys how many girls are there?

in a classroom,the ratio of boys to girls is 3 to 4.if there are 12 boys,how many girls are there?
asked Dec 22, 2011

 Your name to display (optional): Email me at this address if my answer is selected or commented on: Privacy: Your email address will only be used for sending these notifications. Anti-spam verification: To avoid this verification in future, please log in or register.

think about it logically. If there are 3 boys for every 4 girls, and there are 12 boys, then that means there are 16 girls.

You can express it as fractions. 3:4 is equal to 3/4.

If you use proportions, 3/4=12/x (x= number of girls) solving that equation yields x=16, so there are 16 girls
answered Dec 22, 2011 by anonymous

## Related questions

1 answer 176 views
176 views
2 answers 74 views
74 views
1 answer 68 views
68 views
1 answer 161 views
161 views
1 answer 311 views
311 views
2 answers 70 views
70 views
4 answers 436 views
436 views
1 answer 111 views
111 views
1 answer 43 views
43 views
1 answer 353 views
353 views
1 answer 38 views
38 views
1 answer 46 views
46 views
1 answer 39 views
39 views
2 answers 95 views
95 views
4 answers 469 views
469 views
1 answer 18 views
18 views
1 answer 70 views
70 views
1 answer 140 views
140 views
2 answers 28 views
28 views
1 answer 119 views
119 views
0 answers 145 views
145 views
1 answer 198 views
198 views
1 answer 54 views
54 views
1 answer 114 views
114 views
1 answer 64 views
64 views
2 answers 93 views
93 views
0 answers 48 views
48 views
1 answer 304 views
304 views
1 answer 25 views
25 views
1 answer 282 views
282 views
1 answer 13 views
13 views
1 answer 108 views
108 views
1 answer 200 views
200 views
1 answer 49 views
49 views
1 answer 56 views
56 views
1 answer 112 views
112 views
0 answers 51 views
51 views
2 answers 930 views
930 views
1 answer 28 views
28 views
1 answer 25 views
25 views
1 answer 110 views
110 views
1 answer 74 views
74 views
0 answers 52 views
52 views
1 answer 12 views
12 views
1 answer 37 views
37 views
1 answer 127 views
127 views
2 answers 296 views
296 views
1 answer 92 views
92 views
1 answer 41 views
41 views
1 answer 15 views
15 views