Question

There are 10 boys and 8 girls on the cross-country team. The ratio of boys to girls participating in track and field is proportional to the ratio of boys to girls on the cross-country team.

Which could be the number of boys and girls participating in track and field?

A.
12 boys and 10 girls

B.
14 boys and 12 girls

C.
15 boys and 12 girls

D.
16 boys and 14 girls

Answer 1

Also: Which pair of ratios form a proportion?

A.
5 : 11 and 6 : 12

B.
7 : 13 and 21 : 39

C.
8 : 14 and 24 : 30

D.
10 : 20 and 20 : 30

Answer 2

Please help me!!!

Answer 3

\(\dfrac{10}{8}= 1.25\)
which fraction in the options has that answer? I mean: for A) \(dfrac{12}{10}=1.2\neq 1.25\) hence A is not the answer. How about others?

Answer 4

mistypo, it is \(\dfrac{12}{10}=1.2\neq 1.25\)