Answer:
10
Step-by-step explanation:
1. 3 x 6 = 18
2. 2 x 4 = 8
3. 18 - 8 = 10
<em>A. </em>10
 
        
             
        
        
        
Mrs. Hall has $389 in her bank because 538 - 149 = 389.
        
                    
             
        
        
        
561 x 103 = 57783, so the place value of the 1 will be 3. :)
        
                    
             
        
        
        
1. 8/9 ÷ 4/9 is done by inverting the divisor (4/9) and then multiplying:
 (8/9)(9/4) = 8/4 = 2 (answer)
2. 1/3 ÷ 6 is done similarly: (1/3)(1/6) = 1/18 (answer)
3. 4 ÷ 1/5 = 4 * 5 = 20 (answer)
4. 7 1/2 ÷ 1/4 = (15/2)(4/1) = 30 (answer)
 
        
             
        
        
        






Note
Write the number until underlined point.I did it till end