Question

Hi help i need your help please

Answer 1

20. Let the number be n.

Let the number be n.According to the question, 7n+50+40=300

Let the number be n.According to the question, 7n+50+40=300⇒7n+90=300⇒7n=300−90

Let the number be n.According to the question, 7n+50+40=300⇒7n+90=300⇒7n=300−90⇒7n=210⇒n= 210/7

⇒n=30

⇒n=30Thus, the required number is 30.

Answer 2

Answer:

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