Answer:
Thus, 2645 needs to be divided by 5 to become a perfect square. Thus, the required smallest whole number by which it should be divided so as to get a perfect square number is 5 and the square root is √529= 23.
Step-by-step explanation:
13
17
Find the discount
discount = original price * 15%
= 20*.15 =3
Subtract the discount from the original price
20-3 = 17
The sale price is 17
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