Answer:
12.5%
Step-by-step explanation:
The percent error is given by:
[tex] \frac{Error}{actual \: value} \times 100\%[/tex]
The error is |70-80|=10
The percent error is:
[tex] \frac{10}{80} \times 100\%[/tex]
[tex] = 12.5\%[/tex]
Therefore the percent error is 12.5%
