Hello,
Please, see the detailed solution in the attached file.
Thanks.
Answer:
Because a bracket is used, the solution includes 
The solution includes numbers from negative infinity to 
Step-by-step explanation:
we know that
If the solution for an inequality is (–∞, 6.5]
then

The solution is all real numbers less than or equal to 
so
Because a bracket is used, the solution includes 
The solution includes numbers from negative infinity to 
Answer:
7 hours
Step-by-step explanation:
47+23=70
1hour = 70 toys
? = 490 toys
Then you cross multiply:
1hour*490 toys= 490/70 = 7 hours
____________
70 toys
Answer:
17>n is the correct answer
8(x - 6) = 4x
Distribute.
8x - 48 = 4x
Subtract 8x from both sides.
8x -8x - 48 =4x -8x
Now you have...
-48 = -4x
Divide -4 by both sides.
-48/-4 = -4x/-4
12 = x
The number is 12.