## maths challenge

if 9999=4,8888=8,1816=6,1212=0, then 1919=?

9999=4,8888=8,1816=6,1212=0, then 1919=2

9999=4,8888=8,1816=6,1212=0, then 1919=4

Formula is enclosed area * number of other digits

9999 = 4 enclosed area

8888= 8 enclosed area

1816 = 3 enclosed area * 2 digits = 6

1212 = 0 enclosed area*4 = 0

1919 = 2 enclosed area * 2 digits = 4

1919=2

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