which expressions represents a 20% discount off the price of an item that originally cost D dollars
2 answers:
Answer:
D - (D/5)
Step-by-step explanation:
Let's imagine that D equals 100 dollars -
Well, we know that to get 20% of an amount, we need to divide the amount by five. So let's do that -
100 / 5 = 20
We now know that 20% of 100 dollars is equal to 20 dollars. We have now finished the first part. On to the second part.
We now need to take away 20% of 100 dollars off of 100 dollars - this is the price of the item after the discount.
100 - 20 = 80 dollars.
We now fit in D instead of 100 dollars -
D - (D/5)
Pretty sure it’s d sorry if I’m to late haha
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Answer:

they're all like terms so we just add and subtract
Answer:
-7y > 161
7y < -161
y < -23
7y > -161
y > -23
So, your answer is: -7y > 161 is equal to y < -23, and 7y > -161 is equal to y>-23.
Let me know if this helps!
Answer:8 cm by 10 cm
Step-by-step explanation:
8*2+10*2=36
8*10=80
Answer:
2l + 2w. l+l+w+w. l+l+2w. 2(l+w)