Pls help it is khan academy :)
1 answer:
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Answer:
$44 is the price now
Step-by-step explanation:
Given :
An item is regularly priced at $55.
It is now priced at a discount of 20% off the regular price.
To Find : Discounted Price .
Solution :
Since we are given that there is 20 % off on $55
So, first wee need to calculate 20% of $55:
⇒
⇒
⇒
Thus 20% of $55 = 11
So, $11 is off on $55
Thus, the discounted price = $55-$11 = $44
Hence $44 is the price now
Answer:
OR
Let's solve the equation step-by-step:
First, you must find the square root:
x = ±
We know that 10 × 10 = 100 and -10 x -10 is 100
that means that the square root is either 10 or -10
And we also know that
are both 100
meaning that x = OR