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muminat
3 years ago
5

3. A penny is made by combining 0.1 g of a copper alloy that costs $5.50 per kilogram (1000 grams) with

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0
.0001*5.5 + 1.5*x = 2
x=1.33 kg
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