Assuming yo meant
f(x)=(1/3)4x²
sub 4 for x
f(4)=(1/3)4(4)²
f(4)=(1/3)4(16)
f(4)=(1/3)64
f(4)=64/3
200 * 33/40 = 165 owns phones
165 * 10/11 = 150 owns phones and MP3 player
Therefore 3/4 owns both and
165 owns only phones
Answer:
x = 1
Step-by-step explanation:
Our goal is to isolate x on one side. So:
-6 +5x = 6x - 7
-6 = x - 7
1 = x
Hope that helped!
13 x 12 = 156 in<span>2 Hope I could help :)</span>