Let the no be x
4x+9=2x-1
2x=-10
x=-5
Answer:
the median will be 200.
the mode will be 402 n 398.
the mean will be 400.
Answer:
the Value of x is 7.
Step-by-step explanation:
Answer: The total price of a bench is 1.008x.
Step-by-step explanation:
Since we have given that
Let the cost price be 'x'.
Mark up % = 120%
So, Mark up value would be

Discount % = 20%
Amount of discount is given by

So, it becomes,
Amount after discount is given by

Sales tax = 5%
Amount of sales tax would be

Hence, the total price of a bench is 1.008x.
8%×n=2. 2÷8/100=2×100/8=100/4=25. so the answer is 25.