Answer:
Area of rectangle = 
Perimeter of rectangle = 
Step-by-step explanation:
We are given:
Length of rectangle = x
Width of rectangle = x-4
We are not given if we want to find area of rectangle or perimeter of rectangle.
So, I will be finding both
Area of rectangle
The formula used is: 
Putting values and finding area

So, we get area of rectangle = 
Perimeter of rectangle
The formula used is: 
Putting values and finding perimeter

So, we get perimeter of rectangle = 
I hope, it can help in solving the question.
Answer:
10:6=10*7:6*7
10:6=70:42
70+42=112
White ball 70 and striped balls 42
Answer:
5
Step-by-step explanation:
15 ×
= 5