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Tree A is 2 feet tall and grows 16 inches per year.

Tree B is 4 feet tall and grows 8 inches per year.
Which equation represents the year, x, when the height of the trees are the same?
A 2x+43=4x+23
B 43x+2=23x+4
C 2x+16=4x+8
D 16x+2=8x+4

1 Answer

3 votes

Answer:

D) 16x+2 = 8x+4

Explanation:

Tree A is already 2ft and they said it grows 16 inches per year that means tree A starts at 2ft and you add 16 inches each year and since you need to know the years that means the number of years is x.

Tree B is already 4ft and they said it grows 8 inches per year that means tree B starts at 4ft and you add 8 inches each year and since you need to know the years that means the number of years is x.

User Kartik Rokde
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