You spend 3 2/5 hours hiking and an additional 1/2 hour to rest. How much time did you spend hiking and resting?

3.9 hours

Step-by-step explanation:

3 2/5 + 1/2 = 39/10

3 9/10 =

3.9 hours

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

answer: i guess 5 units?

step-by-step explanation: