Answer:
$1600
Step-by-step explanation:
The $800 that the customer paid is 50% of the retail price, so the retail price is twice that amount:
$800/0.50 = $1600
The selling price of the mattress before the discount was $1600.
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Additional comment
The wholesale price was $1600/2.25 = $711.11
Okay, 3x just means 3•x. so 3•x-y=15. you would have to have what x and y both mean to get the correct answer. but if they just need it simplified than your answer would be 3•x-y=15
No solution because they have the same slope.
Answer:
5 mph
Step-by-step explanation:
c+15+c=2c+15 mph going down stream.
2.4(2c+15)=60
4.8c+36=60
4.8c=24