1) C) 5.5 cm
explanation: Since every 4mm is 1 cm, divide 22 by 4 and u will get 5.5 cm
2) B) 330 mi
Explanation: You first divide 4 1/8 by 1 1/4 which gives you 3 3/10. Then you convert 3 3/10 to a decimal which is 3.3. Finally, you multiply 3.3 by 100 and get 330.
3) B) 67.5 km
Explanation: First you divide 8.1 by 3 which is 2.7. Then you multiply 2.7 by 25 and get 67.5 km.