A principal needs to order new carpeting for three rooms. There are 2 offices that each have an area of 400 square feet. There is also a classroom that has an area of 750 square feet.
Which equation can be used to find the total area of carpeting needed in square feet?
a
,a
=
(
750
–
400
)
×
2
a
=
(
750
+
400
)
×
2
a
=
(
2
×
400
)
–
750
a
=
(
2
×
400
)
+
750
Find
a
.a
=
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