Use the hundredths grid to answer the question. A 10 by 10 grid is shown. 3 columns and 6 squares are red. 2 columns and 7 squares are blue.

Which of the equations is shown by the shaded area of the model?

A.
0
.
29

+

0
.
37
=
0
.
63
B.
0
.
34
+
0
.
23
=
0
.
57
C.
0
.
36
+
0
.
27
=
0
.
63
D.
0
.
24
+
0
.
33
=
0
.
57