SOLUTION: Find three consecutive numbers whose sum is 60.
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Algebra: Inverse operations for addition and multiplication, reciprocals
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Question 6059
:
Find three consecutive numbers whose sum is 60.
Answer by
CharStar(110)
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1st Number = x
2nd Number = x+1
3rd Number = x+2
x + x + 1 + x + 2 = 60
3x + 3 = 60
Subract 3 from both sides
3x = 57
x=19
x(19) + 1 = 20
x(19) + 2 = 21
19 + 20 + 21 = 60
Hope that helps you