Math, asked by am15884, 1 month ago

The model shows the expression 21 + 9.

A model with 3 rows of 7 squares and 3 rows of 3 squares.

Which expression is equivalent to this sum?
3 (7 + 3)
3 (7) + 3
3 + 7 + 3
7 (3 + 3)

Answers

Answered by amaan4458

0

Answer:

3 (7+3)

Step-by-step explanation:

is the right answer

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