Question

The model shows the expression 21 + 9. Which expression is equivalent to this sum? O 317+3) 0 31+ 3 0 3+7+3 O 763+3)

Answer 1

Given data:

The given expression is (21+9).

The given expression can be written as,

`(21+9)=3(7+3)`

Thus, the first option is correct.