The sum of two numbers is 31.5. The difference is 5.25. Find the numbers
2 answers:
Answer:
The two numbers are 18.375 and 13.125
Step-by-step explanation:
Given that the sum of two numbers is 31.5 and their difference is 5.25
we have to find the two numbers.
Let the two numbers are x and y.
As sum of two numbers is 31.5 and difference is 5.25
∴ → (1)
→ (2)
Adding eq (1) and (2), we get
(2) ⇒ 18.375-y=5.25 ⇒ y=13.125
Hence, the two numbers are 18.375 and 13.125
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We have the following table:
Round Number of Strokes Above or Below 72
1 -5
2 +6
3 -2
4 -4
5 +5
So, the expression that represents the total number of strokes is:
72 + (Number of strokes Above or below 72)
Therefore, for every round we get:
Round Number of Strokes Above or Below 72 Total number of strokes
1 -5 72 - 5 = 67
2 +6 72 + 6 = 78
3 -2 72 - 2 = 70
4 -4 72 - 4 = 68
5 +5 72 + 5 = 77
The total number of strokes is:
67 + 78 + 70 + 68 + 77 = 360
Additionally, the average is the total number of strokes divided by the number of rounds, so it is equal to:
Answer: Total: 360 Strokes
Average: 72 Strokes