SOLUTION: If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate? I know the answer is 150/x, but I can't understand why?! Thank you

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Question 254951: If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate?
I know the answer is 150/x, but I can't understand why?!
Thank you
Answer by CharlesG2(834) About Me  (Show Source):
You can put this solution on YOUR website!
If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate?
I know the answer is 150/x, but I can't understand why?!
Thank you
300 JB / x dollars = y JB / 0.5 dollars
300 * 0.5 = x * y
150/x = y