Rita earned 45 points on a test. She lost 8 points , earned 53 points , then lost 6 more points. What is Rita's final score on the test



Answer :

Rita's final score is 84 .

loss is negative
earned is plus
45
lost 8
45-8=37
eaned 53
37+53=90
lost 6
90-6=84

final score is 84 points