16,500
60 minutes in an hour / 12 minutes = 5
5 * 3,300 = 16,500
Nadia saved 10% of $24.90.
10% x 24.9 = 2.49
answer: $2.49
First, calculate f(g(x))==> you plug (5x+4) in the value of x in f(x)
==>f(g(x))= 8-[10(5x+4)===>8-50x-40===>f(g(x))= -50x + 32
& f(g(-2))= -100+32 =68.
There is a mistake in your answers, it should be 68 & not 78
It would have an infinite amount of solutions.
Change each equation into y=mx+b form and then do system of equations.
