3 years ago

There are three consecutive numbers such that twice the first is 20 more than the second.find the numbers? Show your solution.

1 answer:

3 0

Consecutive numbers are 1 away from each other
numbers are
x,x+1,x+2

so
2 times first is 20 more than 2nd
2x=20+x+1
2x=21+x
x=21

numbers are
21,21+1,21+2
21,22,23

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