contestada

Hamburgers cost three dollars and hotdogs cost two dollars the total cost of buying be burgers and D hotdogs can be expressed by C equals 3B plus 2-D how can this equation be solved for D
A)d = C-3b/2
B)d = C- 3/2b
C)d = B- 3C/2
D)d = C-b

Respuesta :

The original equation should be
c=3b+2d.
if so, then it can be rewritten as follows:

c-3b=2d
c-3b/2=d

the answer is A.