let

a = ft snow that Allentown got

g = ft snow that Georgetown got

Allentown got 2 feet less than twice the amount of snow Georgetown got

a = 2g - 2

Allentown got 3 feet more snow than Georgetown

a = 3 + g

by solving the system of equations

a = 2g - 2

a = 3 + g

we find

a = 8 ft snow

g = 5 ft snow

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Allen town got 8 ft snow.

Georgetown got 5 ft of snow.