Use the area model to multiply
7
.(
20
r
+
10
)
First, find the partial products.
20
r
10
7
Now, write the product.
7
(
20
r
+
10
)
=
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
Now entering the Challenge Zone—are you ready?