X = number of years
78 + 7x = 111 + 4x
-78 from both sides
7x = 33 + 4x
Subtract 4x from both sides
3x = 33
Divid both sides by 3
X= 11
In 11 years both trees will be the same height.
Answer:
Step-by-step explanation:
Answer: x<-1
Step-by-step explanation:
The answer is A!
39,000/1,300 = 30. 30 x 4 = 120 Hours
Answer:
x=3
Step-by-step explanation:
you add 4 every time to solve for x