6th grade math
posted by Suzanne .
Which proportion can you use to find the width of a full size railroad track? of 1 millimeter for every 87 millimeters in a full size train. The model railroad cars run on a track that is 16.5 mm wide.
f) 1/87 = x/16.5
g) 1/87 = 16.5/x
h) 1/x= 87/16.5
j) 16.5/87 = x/1
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