Question10. Luisa wants to use place-value blocks to show $367+215$. How many tens blocks will she need to show the sum by regrouping?
A 9 B. 8
C 7 D 6

Studdy Solution
Since the tens digit in $582$ is $8$, Luisa will need $8$ tens blocks to represent the sum after regrouping.
The correct answer is:
$\boxed{8}$