Paul volunteered at the senior center for
3
9
10
3910
hours on...
Mathematics, 13.02.2020 02:42 oranjejuice
Paul volunteered at the senior center for
3
9
10
3910
hours on Saturday and
5
1
6
516
hours on Sunday.
How many hours did Paul volunteer altogether at the senior center?
A.
3
9
10
+
5
1
6
=
3
27
30
+
5
5
30
=
8
32
30
=
9
2
30
=
9
1
15
3910+516=32730+5530=83230=9230=9115
hours
B.
3
9
10
+
5
1
6
=
8
+
9
10
+
1
6
=
8
10
16
3910+516=8+910+16=81016
hours
C.
3
9
10
+
5
1
6
=
3
27
30
+
5
2
30
=
8
29
30
3910+516=32730+5230=82930
hours
D.
3
9
10
+
5
1
6
=
3
27
30
+
5
5
30
=
8
32
30
=
8
2
30
=
8
1
15
3910+516=32730+5530=83230=8230=8115
hours
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