SOLUTION: Oscar wants to mix 500 grams of peanuts with some cashews to create a nut mix that is 20% cashews. How many grams of cashews should Oscar add?

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Question 437844: Oscar wants to mix 500 grams of peanuts with some cashews to create a nut mix that is 20% cashews. How many grams of cashews should Oscar add?
Found 2 solutions by stanbon, solver91311:
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
Oscar wants to mix 500 grams of peanuts with some cashews to create a nut mix that is 20% cashews. How many grams of cashews should Oscar add?
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You need more information. "Some cashews" is not precise
enough to arrive at an answer.
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Cheers,
Stan H.

Answer by solver91311(24713) (Show Source):
You can put this solution on YOUR website!

Let represent the number of grams of cashews. That quantity of cashews mixed with 500 grams of peanuts makes grams of mixture, 20% of which must be grams of cashews. Hence:

Just solve for .

John

My calculator said it, I believe it, that settles it