Answer:
67%
Step-by-step explanation:
difference between the numbers = $8
8 ÷ 12 X 100 = 67%
Answer:
15,392 pencils.
Step-by-step explanation:
If a factory can make 3,848 pencils in an hour, then the factory can make 15,392 pencils in 4 hours.
Simply multiply 3,848 by 4.

Therefore, the factory can make 15,392 pencils in 4 hours.
Answer:
x = 7
Step-by-step explanation:
Let x = the number. Then
"Triple a number" means 3x
"is the same as" means =
"double the number increased by 5" means 2x + 7
∴ 3x = 2x + 7
Subtract 2x from each side
x = 7
The answer is x = 7.
Check:
3 × 7 = 2 × 7 + 7
21 = 14 + 7
21 = 21
OK.
Answer:
6+2y, since the tree is already 6 feet, it grows 2 feet per year so you add 2 feet to the 6 feet every year