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Model Method - Questions and Answers

Question posted by Manojkumar from Singapore:

Grade/Level: Unknown

Question solved by Model Method: the sum of 4 numbers is 121. the first number is 9 more than the second number. the third number is 5 less than the second number. the forth number is 3 times that of the first number. what is the first number?

Answer:

Step 1: Draw a box to represent the second number. Draw another box which is "9" longer to represent the first number.

$model-method-questions-and-answers-291$