7 sit ups for every 2 pull ups 30 more sit ups than pull ups how many sit ups and how many pull ups

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Math it's appreciated. (picture provided)