HW #17 was due today 1-5 only
HW #18 For tonight 1-5 only
#1 the car is 2 inches long
#2 the St. Louis"Arch" is 1 inch
#3 the train is 2 inches long
#4 the answer is more than 1,000 feet
#5 Multiply by the scale factor and compare to 55
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