A music store marks up the instruments it sells by 30%. a) If the store bought a guitar for $45, what will be its store price?
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b) If the price tag on a trumpet says $104, how much did the store pay for it?
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c) If the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?
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Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4