How many square tiles are needed to pave the floor of a room that is 15 m 17 cm long and 9 m 2 cm wide?
A. 814
B. 820
C. 840
D. 844
Answer:A
How many square tiles are needed to pave the floor of a room that is 15 m 17 cm long and 9 m 2 cm wide?
A. 814 B. 820 C. 840 D. 844