Let
be the amount of the 30% alloy and
the amount of the 60% alloy the metalworker will use. However much is used, the final alloy will have a mass of

kilograms. For each kg of the 30% alloy used, 0.3 kg is copper; similary, each kg of the 60% alloy contributes 0.6 kg, so that

Now,






May you add the statements so I can identify which one is true
Answer:
C
Step-by-step explanation:
Answer:
f=54
Step-by-step explanation:
ma is m times a 3x18= 54