Consecutive numbers

The sum of ten consecutive numbers is 105. Determine these numbers (write first and last).

Final Answer:

a1 =  6
a10 =  15

Step-by-step explanation:

d=1 s10=105 n=10  s10 = n 2a1+a10   d 210 = 10(a1+a10)  21 = a1 + a10 = a1 + a1 + 9 12 = 2 a1 a1=12/2=6



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You need to know the following knowledge to solve this word math problem:

algebraarithmeticbasic operations and conceptsGrade of the word problem

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