Answer: he wrote for an five hours and forty-five minutes 
Step-by-step explanation:
 
        
             
        
        
        
He will earn $427.50  because $4.27 times 90 equals $427.50
        
             
        
        
        
Answer:
$5,850
Step-by-step explanation:
4.5% = 0.045
0.045 x 130,000 = 5850
 
        
             
        
        
        
Answer:
1) Enlargement 
2) Reduction 
Step-by-step explanation:
Question 1
200% means double, a factor 2
a) 2(2.5) = 5 inches 
 it's an enlargement 
b) 2(original) = new/on the page
Question 2
a) 0.6(24) = 14.4 inches
 Reduction 
b) 0.6(original) = new/sketch 
 
        
                    
             
        
        
        
False because you can subtract your way out of the set of whole numbers