Respuesta :
The answer is: 12 = q
[tex]\frac{21}{35} = \frac{q}{20}[/tex]
cross-multiply
(20 * 21 = 420; 420 / 35 = 12)
12 = q
Answer: q = 12
Step-by-step explanation:
If it is too hard to find a common factor/multiple, cross multiply.
35q = 420
Divide 35 into 420
q = 12
**SORRY IF I AM WRONG. THIS IS JUST HOW I LEARNT IT**