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# Can you split “The Hangover” expenses? [Excel Homework]

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One of my all time favorite comedies is The Hangover. It is the story of four friends – Alan, Stu, Doug & Phil going to Las Vegas for an (un)forgettable night of adventure and mayhem. While the movie did end on a happy note, they forgot one little thing.

They didn’t share the expenses!

So in this installment of Excel Homework, can you split the expenses?

## The Problem

Assuming you have below data (feel free to copy paste it in to your Excel, or use this workbook):

```				```
Expense Details
Phil: 255.12,121.29,160.23
Alan: 43.17,226.76,343.66,358.01
Phil: 159.95,177.56,278.37
Stu: 206.51,188.09,244.68,33.21,152.98
Phil: 285.91,306.4,140.68
Doug: 226.76,226.76,169.6,208.67
Phil: 326.4
Phil: 308.43,224.95,102.33
Phil: 168.64
Stu: 259.93
Stu: 121.29
Stu: 177
Alan: 172.23
Alan: 214.04,162.58,205.66,188.16,128.41
Alan: 62.75,160.51,173.34,283.8
Phil: 356.3,361.34,41.35,255.94,67.42
Stu: 168.25,161.28,248.45
Doug: 163.93,308.43,218.58
Phil: 226.04,265.97,140.81,197.45
Doug: 216.79,180.39,246.65,149.55

```
```

Your need to generate a a table like this to show who needs to pay whom & how much.

Get cracking then!

## Sample file & Your Solution:

You can use any Excel feature to come up with the answer.

Tell me how you solved it using the comments box below 👇

## Watch my solution:

I made a video about this problem and one approach to solve it (using Power Query and Dynamic Array Formulas). Check it out below or on my Channel.

## More homework problems:

Need a challenge? I got one or many for you:

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### 9 Responses to “Can you split “The Hangover” expenses? [Excel Homework]”

1. Denys Calvin says:

Data copied into cells A1:A20 in new workbook.

Created new name "ev" (in cell B1) that contains following formula in "Refers to" box:
"=EVALUATE(SUBSTITUTE(RIGHT(A1,LEN(A1)-FIND(":",A1)-1),",","+"))"

Set cells B1:B20 to "=ev" (resulting their each containing the total expenses in the corresponding cell in column A)

List 4 names in cells C1:C4.

Set cell D1 to "=SUMIF(A:A,C1&"*",B:B)", and copy down to D2:D4; to calculate total paid by each friend.

2. Iliya says:

Hi,
all job you can be done in Power query.

After you split, just Group by name and sum values.
Then duplicate query drill down column with values next -> from "Statistics" hit SUM (if want name it).
Back to grouped query, add custom column -> use SUM (given name) from previous step divide to 4 and subtracts column with each person values and ... ready.
Regards

• Yana says:

You can add a custom column, no need to duplicate the query

= Table.AddColumn(#"Renamed Columns", "Share of expenses", each List.Sum(#"Renamed Columns"[Paid])/4)

Renamed Columns is the name of my previous step

3. David N says:

Could get a spill array of names using:
=SORT(UNIQUE(LEFT(exp[Expense Details],FIND(":",exp[Expense Details])-1)))

FILTERXML won't work with a spill reference to the list of names (i.e. G7# won't work), so I can only figure out how to do those one by one:
=SUM(FILTERXML(""&CONCAT(LET(data,exp[Expense Details],psn,LEFT(data,FIND(":",data)-1),beg,"",end,"",chr,FIND(":",data),beg&SUBSTITUTE(REPLACE(data,1,chr+1,""),",",end&beg)&end))&"","//"&G7))

Then each share is the sum of the four totals divided by four with each receive/pay being the difference between the share and that person's total.

• David N says:

Sorry, I forgot to account for HTML tags. Hopefully the formula renders correctly this time:
=SUM(FILTERXML("<list>"&CONCAT(LET(data,exp[Expense Details],psn,LEFT(data,FIND(":",data)-1),beg,"<"&psn&">",end,"</"&psn&">",chr,FIND(":",data),beg&SUBSTITUTE(REPLACE(data,1,chr+1,""),",",end&beg)&end))&"</list>","//"&G7))

4. Miss Fig says:

More of these please! Fun challenge and enjoyed seeing how you & others solved it.

5. sam says:

=MAP(G2#,
LAMBDA(r,
SUM(
--TEXTSPLIT(
TEXTJOIN(",",1,
FILTER(
TEXTAFTER(D[Expense Details],":"),
TEXTBEFORE(D[Expense Details],":")=r)
),
",")
)
)
)

6. Gelu says:

Hi Chandoo,

Thank you for this example. It got me started with PQ... How would you do the opposite of this, if I may ask?

From this:

Source H1 H2
S1 a b
S1 a2 b2
S2 c d
S2 c2 d2
S3 e f
S3 e2 f2

To this:
S1 S1 S2 S2 S3 S3
a b c d e f
a2 b2 c2 d2 e2 f2

Thank you,

G

7. Jon says:

Hi Chandoo,
I love these fun challenges - Keep them coming.
Managed to complete with a single formula:

=LET(
all,\$C\$7:\$C\$26,
nm,TEXTBEFORE(all,":"),
unm,UNIQUE(nm),
dt,TRIM(RIGHT(all,LEN(all)-FIND(":",all))),
am,MAP(dt,LAMBDA(r,
SUM(FILTERXML(""&SUBSTITUTE(r,",",
"")&
"",
"//d")))),
tot,MAP(unm,LAMBDA(x,SUMPRODUCT(--(
nm=x)*(am)))),
share,SUM(tot)/4,
soe,VSTACK(share,share,share,share),
trp,tot-share,
hd,HSTACK("Person","How Much Spent","Share of Exp","Receive / Pay"),
tb,HSTACK(unm,tot,soe,trp),
end,VSTACK(hd,tb),
end)

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