100 goods are purchased at the rate of Rs 240. 1/4of the goods are sold at the gain of 10%. At what percentage profit must the rest goods be sold so that the profit on the whole outlay may be 25%?

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.