3.16 is the correct answer
        
                    
             
        
        
        
Answer:
3/4
Step-by-step explanation:
4/5 ÷ 16/15
To divide by a fraction, multiply by the reciprocal.
4/5 × 15/16
Switch the numerators.
15/5 × 4/16
Reduce each fraction.
3/1 × 1/4
Multiply.
3/4
 
        
                    
             
        
        
        
Answer:
Archimedes
Step-by-step explanation:
The father of Mathematics is known as Archimedes
<u>-TheUnknownScientist</u>
 
        
                    
             
        
        
        
10m=10-5(m-7)
10m=10-5m+35
10m=45-5m
15m=45
m=3