Question #59ac6

1 Answer
Feb 12, 2018

Answer:

Assuming you mean 136 passed, see below...

Explanation:

If #136# students passed then:

#420-136 = 284# students failed.

#therefore#

#284/420 * 100# #= 67.619...%#

#=67.62%# to 2d.p

#therefore 67.62%# failed.