4. Find a number which when multiplied by 7 is increased by 84
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Answered by
3
Answer:
12
Step-by-step explanation:
Answered by
1
Answer:
Let the number be x
According to given question,
x×5=x+80
5x=x+80
5x−x=80
4x=80
x=20
Hence, this is the answer.
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