Divide 90 by 1.3 and you will get your answer.
Do it yourself! just follow instructions!
<3
Step-by-step explanation:

Answer:
so you can make both your dividend and your divisor equal so you can divide
Step-by-step explanation:
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
.