b) One alloy is 70% lead and 30% zinc, and another alloy is 40% lead and 60% zinc. Find the amount of each alloy needed to make 120 kg of an alloy that is 50% lead and 50% zinc (to the nearest kg).
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![Chains support a crate, as shown in Fig. 5.20. The equations relat-
ing tensions T₁ and T₂ are given below. Determine the tensions to
the nearest 1 N from the graph.
T₁
0.87₁ 0.67₂ = 12
0.67₁ +0.87₂ = 68
Fig. 5.20
68 N
T,
12 N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a9774d9-f099-4e1f-bb0b-6ba18be133a9%2Fe89e29b0-44eb-4f1c-a8af-1e8070173c23%2Fbmuk04q_processed.jpeg&w=3840&q=75)
![b)
One alloy is 70% lead and 30% zinc, and another alloy is 40% lead
and 60% zinc. Find the amount of each alloy needed to make 120 kg
of an alloy that is 50% lead and 50% zinc (to the nearest kg).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a9774d9-f099-4e1f-bb0b-6ba18be133a9%2Fe89e29b0-44eb-4f1c-a8af-1e8070173c23%2Fk68bra_processed.jpeg&w=3840&q=75)
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