Question

Ira and Mario are racing each other through a bonus round in a math competition. The problem they are given is: -81 Divided 9= Ira rings the bell first and gives an answer of 8. Mario rings the bell and gives an answer of -9. Who is correct and why?

Answer 1

ANSWER:

Mario is right and the answer is minus 9.

EXPLANATION:

In a division where there is an integer with a negative sign, according to the law of signs, the answer will always be negative.