Answer:
Andy total walked = 4.29 kilometers
Step-by-step explanation:
given data
Andy walked on Friday = 1.5 kilometers
Andy walked on Saturday = 2.1 kilometers
Andy walked on Sunday = 0.69 kilometers
solution
we get here Andy total walked over these 3 day that is express as
Andy total walked = walked on Friday + walked on Saturday + walked on Sunday .....................1
put here value and we get
Andy total walked = 1.5 + 2.1 + 0.69
Andy total walked = 4.29 kilometers