Answer:
3
Step-by-step explanation:
5+3=8
8-5=w
Answer:
8.8 kg
Step-by-step explanation:
yes
Answer:
no values of x make the equation true
Step-by-step explanation:
Given that her work is correct, then the final step gives
4 = 5 ← meaningless
This indicates that the equation has no solution
Answer:
$4,400
Step-by-step explanation:
Key: B stands for balance.
b+308=4708
b=4,708-308
b=$4,400
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
.