G=gum
c=candy
2g+3c=3.25 4g+c=2.75
c=2.75-4g
2g+3(2.75-4g)=3.25
2g+8.25-12g=3.25
-10g=5.00
g=0.50 c=2.75-4(.50)
c= 2.75-2.00
c=0.75
Let's get all of the distances lined up:

= home to office

to a restaurant

back to the office

= store

= back home
So then we just add up all of the numbers. However we need to make sure that there is a common denominator. Let's make the common denominator 12, since that is a common factor to all of the denominators in the problem:

= home to office

to a restaurant

back to the office

= store

= back home
Then let's add them up:

This does not reduce to a nice number, however, we can simplify to:
3rd one seems to be the correct answer
Answer:
3 3/5
Step-by-step explanation:
9/13 ÷5/26
We can use copy dot flip
Take the first number and copy it
9/13
Change the division to multiplication
9/13 *
Flip the second number
9/13 * 26/5
I will rewrite the fractions for easier cancellation
9/5 * 26/13
9/5 * 2/1
18/5
5 goes into 18 3 times 3*5 = 15 with 3 left over
3 3/5
Subtract 3x from
both sides: −2y = −3x + 16; divide
both sides by −2: y x = − 3
2 8.