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Mathematics 21 Online
OpenStudy (anonymous):

study island help please-- Around 25 percent of the electricity consumed by American households is used to heat water. Jake's average monthly electricity bill is $215. If Jake installs a solar-powered water heater that does not use any electricity, about how much money will he save on electricity every month?

OpenStudy (zepp):

If 25 % of the electricity consumed is used to heat water, what pourcentage of the electricity Jake uses to heat water?

OpenStudy (anonymous):

25% of 215?

OpenStudy (zepp):

Tadaa! ;D

OpenStudy (anonymous):

okay, i forgot how to do that...

OpenStudy (zepp):

>$215* 25% >215 * 25/100 >(25 * 125)/100

OpenStudy (anonymous):

3025/100?

OpenStudy (zepp):

Yes, that makes $30 and a quarter :D

OpenStudy (anonymous):

ahhhh! yayayayaa! thank you thank you thank you!(:

OpenStudy (anonymous):

SHOOOT, ITS WRONG< I PUT IT IN IN STUDY ISLAND< AND IT WAS 50!!!!!

OpenStudy (zepp):

what?

OpenStudy (anonymous):

its $50

OpenStudy (zepp):

Ah, didn't double check your answers >.> (25 * 125)/100 25*125 is 5375 not 3025 5375/100 = $53.75 And I don't get why it would be $50

OpenStudy (anonymous):

ugh weird, oh well, thanks for helping me

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