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2 years ago

10

How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead

?

2 answers:

uysha [10]2 years ago

5 0

Answer:

35

Step-by-step explanation:

all are obeying a constant ratio

copper 81
tin 14⇒?
lead 5
total 100 ⇒250
?=250*14/100=35

Nataly_w [17]2 years ago

3 0

The answer is 35bb. good luck. by.

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