S945274 S945274 24-02-2021 Mathematics contestada WILL GIVE BRAINLIEST! A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per ounce. How many ounces of each were used to make a mixture of 200 oz costing $2.75 per ounce? $4.30 alloy_ oz $1.80 alloy_oz