Answer:
Area of Rectangle A

Area of Rectangle B

Fraction

Step-by-step explanation:
From the attached, we understand that:
The dimension of rectangle A is 2x by 2x
The dimension of rectangle B is x by 2x
Area of rectangle is calculated as thus;

Area of Rectangle A


Area of Rectangle B


Area of Big Rectangle
The largest rectangle is formed by merging the two rectangles together;
The dimension are 3x by 2x
The Area is as follows


The fraction of rectangle A in relation to the largest rectangle is calculated by dividing area of rectangle A by area of the largest rectangle;


Simplify


Answer:
7x3=21
Step-by-step explanation:
7+7+7=21, 7x3=21
Answer:
4/5
Step-by-step explanation:
10:100=8:x
x= 100*8/10
x= 80 (80%)
80% = 80/100 = 8/10 = 4/5
Perimeter of a parallelogram = 2(l+b)
= 2 (65+42)
= 2*107
= 214 cm