Respuesta :

so you use 40 gallons of water *PER* day.
Average water use in Dec?
(hint: in math * means multiplication)
Dec. has 31 days 
so 
40 * 31
1240
Average water use is 1240 gallons

Hope this helps :)
1240 because 31 days in December and you x 40 and get the answer

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