The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. a 120-lb weight is placed on a lever, 5 ft from the fulcrum. what amount of weight should be placed 8 foot from the fulcrum to be balanced. a). 120 b). 75 c). 8 d). 125 i think, not 100% sure, like 90% sure, it's b. 75.

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?