Respuesta :
					                   David = 69
Sarah = 54
69 - 54 = 15
David read 15 more books than Sarah.
					                
					             Sarah = 54
69 - 54 = 15
David read 15 more books than Sarah.
Answer:
1.25
Step-by-step explanation:
69/12= 5.75
54/12= 4.50
5.75 - 4.50= 1.25
 
					                  