Mathematics, 12.08.2020 05:01, carcamophillip

I have 31 stamps total. I have 4 more 1-cent stamps than 8-cent stamps and twice as many one cent stamps as 12 cent stamps. If my stamps are worth $1.78 altogether how many one cent stamps do I have? Answer now plz

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I have 31 stamps total. I have 4 more 1-cent stamps than 8-cent stamps and twice as many one cent st...