Respuesta :

9514 1404 393

Answer:

  (a)  12 3/5

Step-by-step explanation:

42% of 30 is ...

  42/100 × 30 = (42×30)/100 = (21×3)/5 = 63/5 = 12 3/5

42%÷100×30 =

Step-by-step explanation:

Answer

A

explanation

42%/100×30 = 63/5 which is equal to 12 3/5