document.write( "Question 292651: An amusement park has 20 rides. You want to ride at least 15 of them. How many different combinations of rides can you go on? \n" ); document.write( "
Algebra.Com's Answer #211348 by lyndseid(1)\"\" \"About 
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you would get to ride 5 rides. because there are 20 and you want to ride alteast 15 so you would subtract 20-15 which equals=5 \n" ); document.write( "
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