SOLUTION: The price of gold is €40 per gram. The price of silver is €800 per kilogram. A jeweller wishes to produce 20g of a gold-silver alloy worth €15 per gram. Write an equation t

Algebra ->  Trigonometry-basics -> SOLUTION: The price of gold is €40 per gram. The price of silver is €800 per kilogram. A jeweller wishes to produce 20g of a gold-silver alloy worth €15 per gram. Write an equation t      Log On


   

Question 1167249: The price of gold is €40 per gram. The price of silver is €800 per kilogram. A jeweller wishes to produce 20g of a gold-silver alloy worth €15 per gram.
Write an equation that represents this alloy.
Find to two decimal places the number of grams of gold and silver used in the alloy.
Answer by josgarithmetic(39622) About Me  (Show Source):
You can put this solution on YOUR website!
Those are €40 per gram and €0.800 per gram.
Want 20 grams of €15 per gram alloy.

If m is mass of the €40 per gram Gold, then 20-m is how much of the €0.8 per gram Silver to use.

highlight_green%2840m%2B0.8%2820-m%29=15%2A20%29




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