Question

in a quiz positive marks are given for correct answers and negative marks are given for incorrect answers.if jack scores 25,-5,-10,15 and 10 what was his total at at the end?
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Answer 1

Answer:

35 points

Step-by-step explanation:

Let the points be X

X=25+(-5)+(-10)+15+10

X=[{25+15+10} + {--(5+10)}]

X=50-15

X=35

Answer 2

Answer:

First do one thing..

Take *X* as as the total score scored by him...

put it in the equation..

Step-by-step explanation:

X={(25+15+10)+[-5+(-10)]}

postive nos negative nos

SOLVE: X= 50+(-15)

X=50-15

X=35