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,
Answer:
(shown in attached picture)
Answer:
c
Step-by-step explanation:
Answer:
1 1/2
Step-by-step explanation:
1*6=6
6/4=1.5
1.5 1 1/2
