A class test
8.
A class of students is set a test with 20 questions. A correct answer scores 5 marks, but a
wrong answer loses 3 marks. An answer space left blank scores 0 marks.
(a) Adil answers all of the questions, leaving no blank
answer spaces and gets 12 right.
What is his score?
(b) Brett answers 6 out of the 20 questions correctly
but leaves 8 answers spaces blank.
What is his score?
a) For this we do 12 * 5 - 8 * 3 = 36
ReplyDeleteb) 6 * 5 = 30 - 6 * 3 = 12