First subtract 9/4 from each side
1/2b=-2/4
Simplify the 2/4
1/2b=-1/2
Divide each side by 1/2
b = -1
Answer:
Step-by-step explanation:
I think its substitution
Nonlinear because the first differences are all different
Mg required per pound = 249/153 = 1.63mg
Therefore medicine required= 102 *1.63= 166.26g
