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Mathematics 7 Online
OpenStudy (okdutchman7):

Please help. WILL MEDAL! The electrician was upset. She knew that b batteries would power d circuits for 11 days, but she had d+8 circuits to power. How many days would r batteries last? @mathmale @jim_thompson5910 @sleepyjess @robtobey @rebeccaxhawaii @bahrom7893 @johnweldon1993

OpenStudy (okdutchman7):

I don't know where to start.

OpenStudy (okdutchman7):

@pooja195 @Mehek14

OpenStudy (okdutchman7):

@zepdrix

OpenStudy (ali2x2):

d circuits for 11 days but she had d+8 circuits to power. d=11 11 + 8 = 19

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