Answer is in the file below
tinyurl.com/wpazsebu
The answer is 72.8. in order to solve this problem, you need to use the pythagorean theorem. the equation is c^2-b^2=a^2.
75^2-18^2=a^2
75 squared minutes 18 squared is 5301. then you need to find the square root of 5301.
the square root of 5301 is 72.8079666, rounding to 72.8.
To find this answer you must divide 6km by 1.6km
the answer should be 3.75 miles
R - 18 = 50
r = 50 + 18 = 68
Hence Rick is 68 yrs old
