Respuesta :

Answer:

70%

Step-by-step explanation:

divide 21 by 30 to get .70 multiply by 100 to make percent

70% (or just move decimal two places to the right)

Answer:

70%

Step-by-step explanation:

100 ÷ 30 = 3.3333333333333

21 x 3.3333333333333/30 x 3.3333333333333 = 70/100

21/30 = 0.7

0.7 x 100 = 70%