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

im not sure

Answer 2

your idea? just speak out

Answer 3

d i guess

Answer 4

ok, now, I divide the boy and the girl into 2 groups/ each genders
on the cross- country team, if the amount of the boy are 10, then I have 2 groups of 5
and the amount of the girls are 8 , then I have 2 groups of 4

Answer 5

Look at the answer choices.
a) 12 boys, I cannot group them to have the group of 5
b) 14 boys, no, either
c) 15 boys, oh ya, I can group them to have 3 group of 5,

Answer 6

Now, how about the group of 4 of the girl on this option, it is 12, bingo, I can have 3 groups of 4

Answer 7

oh ok so its C ?:)

Answer 8

You can see, 2 groups of boy on the cross and 2 groups of girl on the cross
3 groups of boy left and 3 groups of girl left ,too
the numbers of boy and girl are proportional.

Answer 9

Got what I mean?

Answer 10

ya

Answer 11

good