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Mrrafil [7]
3 years ago
7

Five consecutive multiples of 3 add up to 105. What is the second smallest number 89 points!

Mathematics
2 answers:
RUDIKE [14]3 years ago
4 0

Answer:

18

Step-by-step explanation:

Oliga [24]3 years ago
3 0

Answer:

18

Step-by-step explanation:

Let's call the first number n. The next four numbers will be n + 3, n + 6, n + 9 and n + 12. Then, we have

n + n + 3 + n + 6 + n + 9 + n + 12 = 105

5n + 30 = 105

5n = 75

n = 15

The second smallest number is n + 3 which is 15 + 3 = 18.

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