Question

At school 40% of the teachers teach English if 20 teachers teach English how many teachers work at school

Answer 1

Answer:

50

Step-by-step explanation:

Let x be the total number of teachers. 0.4x = 20. So, 4x = 200. x = 50

Answer 2

Answer:

Step-by-step explanation:

Change the 40% to a decimal, which is 40/100 or also equivalent to 2/5

Then divide the number of teachers by the percentage/decimal of teachers

20/(2/5) = 100/2 = 50 total teachers