In a quiz, positive marks are given to for every correct answer and negative marks are given for every incorrect answer. If Jack's scores in five consecutive rounds were 25, - 5, - 10, 15 and 10, what was his total in at the end?
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Answer:
35
Step-by-step explanation:
we find total by addition
so,
25+(-5)+(-10)+15+10
=25-5-10+15+10
=20-10+15+10
=10+15+10
=35
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