a square of nine numbers is marked in a Calendar. the sum of all these numbers is 90. what are the numbers
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Answered by
20
Answer:
2,3,4,5,6
Step-by-step explanation:
2²+3²+4²+5²+6² ⇒4+9+16+25+36 = 90
Answered by
8
A square of nine numbers is marked in a calendar. The sum of all these numbers is 90.
Let’s start with looking at a typical calendar
Notice how numbers are typically arranged?
We will use x to represent the middle number of the square. This means that our 9 numbers are:
Adding these, the total is clearly just 9x
From the question, we are told that the sum of the nine numbers is 90, thus:
9x=90⇒x=10
Thus the nine numbers are: 2, 3, 4, 9, 10, 11, 16, 17, 18
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