10lb. of jam needs 5lb. apple, or 2lb. of jam needs 1lb. apple. Now we want 8lb. of jam. Set up a proportion: 2/1=8/x Solve for x by cross-multiplying. 2x=8 x=4 lb. of apple
Step-by-step explanation: 55 is the starting weight. Therefore, you need to subtract 55 by 1/2 (the amount of weight he loses each week) times each week. This will determines the weight- (p).