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17-07-2020
Mathematics

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Four consecutive multiples of 3 have a sum of 78? What is the second largest number?

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17-07-2020

Answer:

26

Step-by-step explanation:

Let x be the first number

the second one is x+1
the third one is x+2
the sum is : x+ (x+1)+(x+2)= 78
so : 3x+3 = 78
then : 3x = 75
finally x = 25
the second larger number is x+1 = 25+1 = 26

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