0 lightbulbs would be expected to burn out in 1800 hours
Answer:
20.25 :)
Step-by-step explanation:
Answer: z = 7
Step-by-step explanation:
Step 1: Subtract 4 from both sides
z + 4 - 4 = 11 -4
z = 7
The rule is to subtract 6
<u>Number + 5 = 10</u>
Subtract 5 from each side:<em> Number = 5</em>
