Question

plzz tell with the solution
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Answer 1

Answer:

21

Step-by-step explanation:

If 1/3 of a number exceeds its 2/7 by 1 then find the number

Let number be x

• 1/3x =2/7x+1
• 1/3x-2/7x=1
• (7-6)/21x=1
• 1/21x=1
• x=1: 1/21
• x=21

Proof

• 1/3x=7
• 2/7x=6
• 7=6+1

Answer: number is 21