Use the Law of Levers to solve the problem, x1y122. The number of chairs in a row varies inversely as the distance between them. When they are 10 centimeters apart, 27 chairs fit in a row. If 30 chairs are needed in a row, how many centimeters apart should they be placed?
9 cm
12 cm
15 cm
8 cm

Use the Law of Levers to solve the problem, x1y1 = x2y2. Milly's older brother weighs 90 pounds and sits 2.5 feet away from the fulcrum of a seesaw. Milly sits 4 feet away and the seesaw balances. About how many pounds does Milly weigh?
60.5 lb
56.25 lb
64.25 lb
52.5

Question

Use the Law of Levers to solve the problem, x1y122. The number of chairs in a row varies inversely as the distance between them. When they are 10 centimeters apart, 27 chairs fit in a row. If 30 chairs are needed in a row, how many centimeters apart should they be placed? 
    9 cm 
   12 cm 
   15 cm 
   8 cm 
 
Use the Law of Levers to solve the problem, x1y1 = x2y2. Milly's older brother weighs 90 pounds and sits 2.5 feet away from the fulcrum of a seesaw. Milly sits 4 feet away and the seesaw balances. About how many pounds does Milly weigh? 
    60.5 lb 
   56.25 lb 
   64.25 lb 
   52.5

vishal_kothari · Answer

don't get it...