Answer:
7.3
Step-by-step explanation:
time is distance divided by velocity/speed
t = 220/30
t = 7.33333 = 7.3
1) 504cm
2) 216mm
3) 666ft
4) 301.44mm
Answer:
9 boxes
Step-by-step explanation:

Since 1 ft= 12 inches then with diameter of 12 ft, radius becomes 6 ft and converted to inches it's 6*12=72 in

Area of 1 tile= 9*9=81
Number of tiles= 
Number of boxes= 202/25=8.08 boxes hence 9 boxes
Answer:
43
Step-by-step explanation: