Question
Find the cost per ounce of a mixture of 30 oz of an alloy that costs $\$ 4.50$ per ounce, 40 oz of an alloy that costs $\$ 3.50$ per ounce, and 30 oz of an alloy that costs $\$ 3.00$ per ounce.
Step 1
For the first alloy, we multiply the amount (30 oz) by the cost per ounce ($4.50), which gives us $135. For the second alloy, we multiply the amount (40 oz) by the cost per ounce ($3.50), which gives us $140. For the third alloy, we multiply the amount (30 oz) by Show more…
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