Question

in a quiz, aditya lost 10 points in the 1st round, scored 15 points in 2 nd round & lost 8 points in 3rd round
what's his score after the 3rd round?
the answer is -3 I know but I want explanation please​

Answer 1

Answer:

let's do it step by step..

in first round -10 (as he lost )second 15 third -8(as he again lost) so when we put it in equation

-10+15-8 so when we will solve that answer would be -3. hope it's help you!!!!!