Answer: and Step-by-step explanation: The matrix L is of form 2x3, in which therentwo rows, representing Costa Rica and Honduras, respectively, and 3 columns, representing pair of shorts, tee shirt and cap, respectively:
L =
![\left[\begin{array}{ccc}0.6&0.3&0.45\\0.9&0.2&0.5\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/f6o50r948nx1w9our7jmh0yxrn9q5psai9.png)
The matrix M is also a matrix of form 2x3:
M =
![\left[\begin{array}{ccc}1.6&0.85&1.15\\1.5&0.8&1.1\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/dxnrqsdbrjbxg9yu86robsqsaawxwlca6j.png)
Matrix C is the total cost of both countries, then:
C = L + M
C =
+
![\left[\begin{array}{ccc}1.6&0.85&1.15\\1.5&0.8&1.1\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/dxnrqsdbrjbxg9yu86robsqsaawxwlca6j.png)
To add 2 matrices, you have to add the first term of the first matrix to the first term of the second matrix and so on:
C =
![\left[\begin{array}{ccc}0.6+1.6&0.3+0.85&0.45+1.15\\0.9+1.5&0.2+0.8&0.5+1.1\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/1md8g6tpej0oo7v0lfg0b35bin7qaj4hfs.png)
C =
![\left[\begin{array}{ccc}1.6&1.15&1.6\\2.4&1&1.6\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/i1pcd9y84lrn97wbp0lt4qes08kj33nimc.png)
The total cost for the products in each country is
C =
![\left[\begin{array}{ccc}1.6&1.15&1.6\\2.4&1&1.6\end{array}\right]](https://img.qammunity.org/2021/formulas/mathematics/college/i1pcd9y84lrn97wbp0lt4qes08kj33nimc.png)