Answer:
the problem is the comparison with the calculated time for Jillian and the actual time for Jillian to run the 7 miles. Note: 16% error is the approximate error because the numbers have 2 significant figures stated in the problem.
Step-by-step explanation:
i got it from mathematics.org
I didn’t know the answer sorry
5x+12=42
x=6
8+x+x+2+3x+2=42
5x=42-12
5x=30