Math, asked by rajeshrwt7455, 4 months ago

Seven times over and add a 50 to reach a triple century you still need 40

Answers

Answered by Alivean

2

Step-by-step explanation:

Let the number be x.

The equation is...

7x + 50 + 40 = 300

7x + 90 = 300

7x = 210

x = 30

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