Percentage error

Here error = 16 - 15.4 = 0.6
Therefore, percentage error

=3.9%
4/5 x 7/10=28/50
7/10+28/50=35/50+28/50=63/50 which is not enough to make 1-1/2 miles
☺☺☺☺
Answer: 15
Step-by-step explanation: I used the pythagorean theorem. X is a, 8 is b, and 17 is c. The squares of a and b added together are c. So I got 15.
Answer:
c ) Turn off her phone until she is on a break