1. A fruitseller bought 200 apples for Rs 300.40 of them were rotten and thrown away. She sold the rest at Rs 2.25 each. Find its gain or loss percent.
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A Book of Mathematics-8

Name the most appropriate metric unit for each measurement like a length of an carrot

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

When only separate discreet points are graphed it is called?