80% of 50 children passed a test. How many did not pass? ​

10 children

Step-by-step explanation:

?/50 = 80/100

Multiply 50 by 80 then divide by 100

50 times 80 = 4,000 divided by 100 is 40

40 children passed the test

Now subtract 40 from 50 to get 10

10 children did not pass the test

5y

step-by-step explanation: