Answer :

do you mean m*1? using that as the less then sign makes no sense here. Assuming m*1 = 100, then m=100, so 4m = 100*4 = 400
If m<1 = 100 then since you have 4 of them you will multiply 100 by 4 and get 400.

Your answer: 
m<400

HOPE THIS HELPS! ^_^

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