AN ALLOY IS MADE FROM 30%COPPER,35%ZINC,AND THE REST IS NICKEL.FIND THE WEIGHT OF THE NICKEL IN 740 GRAM OF ALLOT?
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Secondary School Math 8 points
An alloy is made from 30% copper, 35% zinc, and the rest is nickel. Find the weight of nickel in 740 gm of the alloy.
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santy2
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The percentage composition of the alloy is as follows:
copper- 30%
zinc- 35%
nickel- 100- (30+35) =100-65 =35%
Therefore weight of nickel is 35 % of the 740g:
= 35/100 x 740
= (740x35)/100
= 25900/100
= 259 grams
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Answer:
percentage of copper = 30%
percentage of zinc = 35 %
percentage of nickel = 100% - ( 30 + 35 )%
= 100% - 65%
= 35 %
35% of 740 = 35/100 × 740
= 259
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