In Peter’s scale model of a US army tank, the scale factor is 1:27. If the length of one of the guns on the model is 30mm, what is the actual length of the gunIn Peter’s scale model of a US army tank, the scale factor is 1:27. If the length of one of the guns on the model is 30mm, what is the actual length of the gun reply fast
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27 × 30 mm = 810 mm
= 810 millimeters / 100 = 8.1 meters
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let's the common multiple be x
so=1x/27x
it is direct variation
if 1x=30mm
so 27x=27*30=810mm
means 810mm=81cm
so=1x/27x
it is direct variation
if 1x=30mm
so 27x=27*30=810mm
means 810mm=81cm
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