5-6
(a) 1
(b) -1
(c) 11
Select the correct answer

5 - 6

(b) since 5 is lesser than 6

the answer is -1

if the question was the other way round; 6 - 5 is 1

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg