9514 1404 393
Answer:
$263.20
Explanation:
The number not sold was ...
620 -430 = 190
The cost for a container not sold was ...
$0.78 -0.40 = $0.38
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The cost of containers sold was ...
$0.78 × 430 = $335.40
The cost of containers not sold was ...
$0.38 × 190 = $72.20
The total cost for the 620 containers of milk was ...
$335.40 +72.20 = $407.60
The total revenue from the 430 containers sold was ...
$1.56 × 430 = $670.80
Then the profit was ...
profit = revenue - cost
profit = $670.80 -407.60 = $263.20
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Additional comment
The calculation can be simplified to ...
$1.16 × (number sold) - $0.38 × (number bought)