Respuesta :

Answer:

30

Step-by-step explanation:

20x/100=6

cross multiply

600=20x

Divide both sides by the coefficient of x

600/20=x

x=30

Answer:

30

Step-by-step explanation:

20% is 1/5 of 100.

This means working backwards we can multiply 6 and 5 because 1/5's reciprocal is 5.

This gets 30 gumballs.