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Define x :
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Let the smallest number be x.
The other two numbers will be x+1 and x+2.
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Construct equation :
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The sum of all 3 numbers is 78
⇒ x + x + 1 + x + 2 = 78
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Solve x :
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x + x + 1 + x + 2 = 78
3x + 3 = 78
3x = 78 - 3
3x = 75
x = 25
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Answer: Smallest number = 25
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Answer:
3.5x
3x+25=3.5x
Step-by-step explanation:
hope this helps
Answer:
2
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
so first do 120 divided by 4 is 30. Then multiply it by 3 to get 90.