Copper and nickel are mixed in the ratio 5 : 4. 48 g of nickel is used.
Question:
Copper and nickel are mixed in the ratio 5 : 4.
48 g of nickel is used. How much copper is used?
Let x grams be the mass of copper needed.
The ratios have to be equivalent. You multiply the mass of nickel by 12 to get 48 g so you must also multiply the mass of copper by 12.
5 × 12 = 60, so 60 g of copper is used.
Transcribed Image Text:
Copper: Nickel 5:4 x12 )x12 X:48
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Let x represent the amount of copper used The ratio of copper to nickel ...View the full answer
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Related Book For
Cambridge Checkpoint Lower Secondary Mathematics Student's Book 7
ISBN: 9781398301948
3rd Edition
Authors: Frankie Pimentel, Ric Pimentel, Terry Wall
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