# SOLUTION: How do i know when to devide and when to mutiply to find missing vsriables

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 Click here to see ALL problems on test Question 645842: How do i know when to devide and when to mutiply to find missing vsriablesFound 2 solutions by solver91311, Alan3354:Answer by solver91311(16897)   (Show Source): You can put this solution on YOUR website! That would depend on the circumstances under which you are trying to find missing variables. Perhaps you wouldn't mind taking the time to follow instructions and provide us with a specific problem. Don't forget to give ALL of the instructions with the problem, tell us what it is about the problem that is giving you difficulty, and show us what you have done so far. John My calculator said it, I believe it, that settles it Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!How do i know when to devide and when to mutiply to find missing vsriables ------------- It often helps to include units in the calculations. ================== A simple example: convert 4 feet to inches 1 ft = 12 inches --> inch/ft = 12 & ft/inch = 1/12 --- 4 ft * 12 (in/ft) = 48 ft*in/ft The feet cancel --> 48 inches --------- If you do it wrong: 4 ft * 1ft/12 inch = 1/3 ft*ft/inch The units are not right, so you know you did the wrong operation.