If the bike cost $80 and got it with a discount to $60 the answer is 20%
No, all of the calories add up to 1,344, so it is not within his diet range
Use Pythagorean Theorem:
c = sr (a^2 + b^2) = sr (3^2 + 5.3^2)
= sr (9 + 28.09) = sr (37.09)
= 6.09 = 6.1
