Christa purchased ten bottles of shampoo in each of three different sizes: 3
1
2
ounces;
6
1
2
ounces; and
8
1
2
ounces. She used the expression
(
10
×
3
1
2
)
+
(
10
×
6
1
2
)
+
(
10
×
8
1
2
)
to show the total amount of shampoo purchased in ounces. Which expression is equivalent to the one Christa used?

10
×
3
1
2
+
6
1
2
+
8
1
2

10 × 3 1 2 + 6 1 2 + 8 1 2

10
+
3
1
2
×
6
1
2
×
8
1
2

10 + 3 1 2 × 6 1 2 × 8 1 2

10
(
3
1
2
+
6
1
2
+
8
1
2
)

10 ( 3 1 2 + 6 1 2 + 8 1 2 )

30
(
3
1
2
+
6
1
2
+
8
1
2
)