# SOLUTION: heidi bought a minibright headlamp. her headlamp requires 3 batteries for every 6 hours of use.she is packing 12 batteries for her trip to marengo cave. one the line below, wr

Algebra ->  Algebra  -> Proportions -> SOLUTION: heidi bought a minibright headlamp. her headlamp requires 3 batteries for every 6 hours of use.she is packing 12 batteries for her trip to marengo cave. one the line below, wr      Log On

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 Algebra: Proportions Solvers Lessons Answers archive Quiz In Depth

 Question 156432: heidi bought a minibright headlamp. her headlamp requires 3 batteries for every 6 hours of use.she is packing 12 batteries for her trip to marengo cave. one the line below, write a proportion that can be used to find the number of hours (h) heidi can spend exploring the cave. proportion_____________________ now use your proportion to find the number of hours heidi can spend in the cave.write your answer on the line below. SHOW ALL WORK answer___________________hoursAnswer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!3/12=6/x cross multiply: 3x=6*12 3x=72 x=72/3 x=24 hours worth of batteries.