Hey!
B. 12 inches, 1 foot = 216 inches, 18 feet.
C. $39,000, 1 year = 117,000
D. 18 pencils, 1 box = 108 pencils, 6 boxes.
E. $40, 15 gallons = Not sure.
F. 1,200 boxes, 9 truckloads = Not sure.
G. 280 beats, 4 seconds = 70 beats, 1 second.
H. 520 cm, 5.2 m = 260 cm, 2.6 m.
(If I understood this correctly then those are the correct answers).