Answer:
The units are 7 away from each other.
Step-by-step explanation:
To find the amount, simply subtract the smaller number from the higher number.
1 - -6 = 7
Answer:
The required equation is
.
Step-by-step explanation:
Consider the provided information.
The Initial value of poster = $ 18
After 1 year amount of increase = $ 20.70
With the rate of 15% = 0.15
Let future value is y and the number of years be x.

Now verify this by substituting x=1 in above equation.

Which is true.
Hence, the required equation is
.