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Sagot :
Answer:
- 2 oz
Step-by-step explanation:
Let the added metal is x.
The platinum content remains same on the input and output:
- x*0.27 + 4*0.03 = (x + 4)*0.11
- 0.27x + 0.12 = 0.11x + 0.44
- 0.27x - 0.11x = 0.44 - 0.12
- 0.16x = 0.32
- x = 0.32/0.16
- x = 2
Answer:
2oz
Step-by-step explanation:
x*0.27 + 4*0.03 = (x + 4)*0.11
0.27x + 0.12 = 0.11x + 0.44
0.27x - 0.11x = 0.44 - 0.12
0.16x = 0.32
x = 0.32/0.16
x = 2 hope this helps son
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