Let's solve your equation step-by-step.
−
12.2
z
−
13.4
z
=
−
179.2
Step 1: Simplify both sides of the equation.
−
12.2
z
−
13.4
z
=
−
179.2
−
12.2
z
+
−
13.4
z
=
−
179.2
(
−
12.2
z
+
−
13.4
z
)
=
−
179.2
(Combine Like Terms)
−
25.6
z
=
−
179.2
−
25.6
z
=
−
179.2
Step 2: Divide both sides by -25.6.
−
25.6
z
−
25.6
=
−
179.2
−
25.6
z
=
7
Answer:
z
=
7
The answer is the first choice because it is on google.
Answer:
He will have read 495 minutes
Step-by-step explanation:
10 percent of 450 is 45, add that to 450 and you get 495