An alloy weighing 50 kg is made of 60% lead. how many kilogram of lead must be added to the alloy in order to increase the lead content to 75 % ?
Answers
Answered by
6
Answer:
58 kg
Step-by-step explanation:
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ah6253381:
iska answer 30 kg a raha hai
Answered by
3
Answer:
30 kg
Step-by-step explanation:
60% = 0.6, 0.6 × 50 kg = 30kg lead
30 + ? = 3/4 × 50 + ?
? = 30, 60 = 3/4 × 80
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