What are the subsets of (a, b, c)?
{a), (b), (c)
a, b, and c
(a, b) {b, c),(a, c)
().(a), (b), (c), (a, b}, {a, c), {b, c), {a, b,c)

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

b

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!