17. you add all numbers together and divide them by however many numbers you had to add to get that number.
No problem!
Okay you must set and equation.
$40 × ? = 10
I used multiplication because when things are discounted, they are multiplied by decimals
? =


is equal to

1/4 is 25%
The item needs to be marked down 25% to buy and get a discount of $10
Yes its awesome because it helps alot on everything litterly
Answer:
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Step-by-step explanation: