Respuesta :

Answer:

10% of 40 = 4

Step-by-step explanation:

4 /40 = 0.1 = 0.1 x 100% = 10%

Answer: 10% of 40 is 4

Step-by-step explanation:

set up the proportion:

is/of = %/100

4/40 = x/100

cross multiply & divide:

400 = 40x

40 divided by 400 is 10

x = 10%