Answer:
60cm²
Step-by-step explanation:
Area of a rectangle = length x breath
 
Let,
length (L) = (a-1) cm
breadth (B) = (a+3) cm
Putting the value of a = 7;
we get,
length= 7-1 = 6 cm
breadth= 7+3 = 10 cm
Therefore, area of the rectangle = L x B
= 6 x 10
= 60 cm²
 
 
        
                    
             
        
        
        
Answer:
1.666666666666667
Step-by-step explanation:
5/3
= 1.666666666666667
 
        
                    
             
        
        
        
36/63 in its simplest form is 4/7
Have a great day! =)