If Zack walks a 7-mile route every day, and he goes on for 22 days, the answer is 154, because you are multiplying 7 by 22 (7 x 22 = 154).
Step-by-step explanation:
Use the Pythagorean Theorem: a^2+b^2=c^2
We can set up the equation like this: 11^2+y^2=61^2
= 121+y^2=3,721
=y^2=3600
= y = 60
