Mathematics, 18.09.2019 03:00, JanetQ2002

Ted weighs partly used spools to estimate the length of cable that remains. he knows that 1 metre of lighting cable weighs 85 grams, and that an empty spool weighs 260 grams. ted weighs the partly used spool shown. it has a total weight 1540 grams. which of these calculations will give ted an estimate of the number of metres of cable left on the spool?

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Ted weighs partly used spools to estimate the length of cable that remains. he knows that 1 metre of...