Respuesta :
Answer:
700
Step-by-step explanation:
The ratio of cats to dogs was 3:7
Divide 300 by 3
=100
multiply 100 and 7
=700
Step-by-step explanation:
let common ratio be x
3x + 7x = 300
10 x = 300
x = 300/10= 30
there common ratio x is 30
3 x 30 =90 cats
7 x 30 = 210 dogs