Table:
0
A
B
C
D
E
F
G
1
Year
Lansing (LAN)
Detroit (DTW)
Grand Rapids (GRR)
Flint (FNT)
Kalamazoo (AZO)
Saginaw (MBS)
2
2006
$370.61
$322.83
$413.74
$298.89
$472.93
$441.26
3
2007
$364.39
$307.29
$420.68
$281.37
$471.01
$441.08
4
2008
$397.75
$334.18
$463.96
$314.89
$517.32
$481.39
5
2009
$434.59
$313.67
$409.85
$275.23
$500.55
$434.69
6
2010
$482.76
$353.75
$377.29
$298.40
$563.92
$470.47
7
2011
$433.59
$378.55
$400.11
$334.90
$579.23
$474.77

Questions and formulas:
Question: What is the fare to Kalamazoo during the time frame when Saginaw's was $481.39?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="$481.39"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,G2:G7="$481.39"),6))
Level: medium
Question: When Lansing's fare is $433.59, what is the Detroit fare?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="$433.59"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,B2:B7="$433.59"),3))
Level: medium
Question: At a Saginaw fare of $470.47, what is the fare to Lansing?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="$470.47"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,G2:G7="$470.47"),2))
Level: medium
Question: During the year when Lansing's fare is $433.59, what is the fare to Kalamazoo?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="$433.59"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,B2:B7="$433.59"),6))
Level: medium
Question: When Saginaw's fare is $470.47, what was the fare to Grand Rapids?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="$470.47"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,G2:G7="$470.47"),4))
Level: medium
Question: When Grand Rapids's fare was $377.29, what is the fare to Detroit?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="$377.29"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,D2:D7="$377.29"),3))
Level: medium