Evaluate each of the following:

(–31) ÷ [(–30) + (–1)]

Dear Student

= (–31) ÷ [(–30) + (–1)]
= (-31) ÷ [-30–1]
= (-31) ÷ (-31)
= 1
When we divide a negative integer by a negative integer, we first divide them as whole numbers and then put positive sign (+) before the quotient.

Thanks