Answer:
210 high schoolers as ratio becomes 90:210
Step-by-step explanation:
we can see that 3:7 can be multiplied if 3 x 3 = 9 then 7 x 3 =21 we just add the zero and find a 90:210 ratio
Pretty sure c is your correct answer :)
I hope this helps :)
I think that x equals 10 (maybe)
1690 (C)
Just Add
237
549
904
--------
1690