a nail manufacuting machine punches out 1 3/4 inch nails from a coil of wire . calcutate the length needed to produce 240 nails .

OK....since each nalil is 1+ 3/4 in long = 1.75 in......then the total length of 240 of them must be....

240 x 1.75 in = 420 in = 35 ft.