He needs three more packets of bread rolls. Or he can get one more packet of sausages (24 sausages) and six more packets of bread rolls (24 bread rolls.
Answer:
Step-by-step explanation:
Use distance formula d=sqrt root (y2-y1)^2+(x2-x1)^2. So (-3, 4) and (1, 7). D= sqrt root ( 7-4)^2+(-3+1)^2. So now solve d= sqrt (3)^2+(-2)^2. Now d= sqrt 9+4. D= sqrt 13 or 3.60555