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Four consecutive multiples of 3 have a sum of 78? What is the second largest number?
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Feb 5, 2021
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Four consecutive multiples of 3 have a sum of 78? What is the second largest number?
Mathematics
high-school
Erik Van Berkum
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Erik Van Berkum
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Answer:
26
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
NikhilWanpal
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Feb 10, 2021
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NikhilWanpal
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