300000 km/sec x 3600 sec/hr=1080000000 km/hr
1080000000 km/hr / 1.6 km/m=675000000 mph
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You add all of the numbers up each row and divide by how many there are so:
row one: if u add it all up it would be 10 then divide by how many there are
Divide total km by the km in the scale:
112 / 16 = 7
The answer is A. 7 cm
27 and 36 have a Greatest Common Factor of 9 so...
27/36 = 3/4