Answer: The percent of couples disagree on the matter=70%
Step-by-step explanation:
We have given that seven in ten couples disagree on a particular matter.
Thus, the ratio of couples disagree to the total couples=[tex]\frac{7}{10}[/tex]
To convert it in percent we need to multiply it with 100, we get
The percent of couples disagree on the matter[tex]=\frac{7}{10}\times100[/tex]
⇒The percent of couples disagree on the matter=70%