Bia is hiking on a trail that is 4.2 miles long. So far, she has hiked 80% of the total distance. How many more miles does Bia have to hike in order to complete the trail?

Respuesta :

4.2 x 0.8 

=3.36 miles completed

4.2 - 3.36 = 0.84 miles left to complete.
The answer is
4.2 x .80= 3.36
4.2-3.36= 0.84 miles left