By what rational number should we divide 227 so as to get the number −1114?
- 2
5/7
12/7
-4
Let the rational number be x.
227x=−1114
⇒227=x×−1114 ⇒227−1114=x ⇒227×14−11=x
⇒x=−4
By what rational number should we multiply −1556 to get −57 ?