Answer:
2.5/yr
Step-by-step explanation:
Every year the height of the tree goes up by 2.5 ft.
You can tell that by doing this
12-9.5=2.5
9.5-7= 2.5
7-4.5= 2.5
I hope this helps! tell me if I need to explain more!
Answer: 
Step-by-step explanation:
One-sixth of n is n/6.
One-fifth of g is g/5.
The sum means to add, so the expression is .
Answer:
14
Step-by-step explanation:
to find the answer to this you would have to ethier convert 1 3/4 to 1.75 or multiply top heavy fractions
converted way
1.75x8= 14 - stays the same
nonconverted way
7/4 x 8/1 = 56/4 = 14
etheir way you get the same answer
Answer:
87.5%
Step-by-step explanation:
It decreased by 16 - 2 or 14, and since he wrote 16 tickets last week, the answer is 14/16 in percent form, or 7/8 = 87.5%.
21x -15 + 5 = 10x - 5
21x -5 = 10x
11x = 5
x = 5/11
