Problem Solving 1.
On a test, each correct answer scores 5 points, each incorrect answer scores -2 points
and each question left unanswered scores 0 points.
b.
a. Suppose a student answers 16 questions correctly and 3 questions incorrectly, and
does not answer 1 question. Write an expression for the student's score and find the
score.
Suppose you answered all 20 questions on the test. What is the greatest number of
questions you can answer incorrectly and still get a po ve score?
plain your
reasoning