Selling price of a toy car is rupees 480 if the profit made by shopkeeper is 20% what is its cost price

Read the excerpt from "death by black hole."albert einstein's general theory of relativity, published in 1916, provides the insight to understand the bizarre structureof space and time in a high-gravity environment. later research by the american physicist john a. wheeler, and others, to formulate a vocabulary as well as the mathematical tools to describe and predict what a black hole will do toits surroundings.read the excerpt from "man listening to disc."and i bow deeply to thelonious monkfor figuring out a wayto motorize or whatever-his huge pianoso he could be with us today.these excerpts are similar because both texts

What is the central idea in this advice from branch rickey to jackie robinson?  

What point of view is expressed by judith sargent murray in her essay "on the equality of the sexes"? a- that men would benefit from women learning more about taking care of their homes b- that women's lives would be enriched if they had access to further education c- that children would progress further in school if their mothers studied with them d-that society would be more accepting of women who attended school