Sam_alex66 Posts: 1, Reputation: 1 New Member #1 Nov 22, 2017, 04:08 AM
Simple maths that is making my head implode
You have 1kg of unroasted green coffee beans at a cost of \$7. When you roast this coffee you lose 20% of the original weight to produce only 800g of roasted coffee. How much is 1kg of roasted coffee? Please teach me this maths!
 teacherjenn4 Posts: 4,005, Reputation: 468 Education Expert #2 Nov 22, 2017, 09:04 AM
What part of the problem is giving you trouble?
 Wondergirl Posts: 39,354, Reputation: 5431 Jobs & Parenting Expert #3 Nov 22, 2017, 10:45 AM
First, how many grams are in one kilogram?
 ma0641 Posts: 15,675, Reputation: 1012 Uber Member #4 Nov 22, 2017, 11:41 AM
You lost 20% by weight. What weight of green beans multiplied by X %(remainder) = 1Kg? You then can determine the additional cost to make 1Kg of roasted beans.

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