Answer:
The new dimension is 28 inches by 28 inches
Explanation:
Given
Dimension: 5 inches by 7 inches
Factor = 4
Required
Determine the new dimension
The old dimension can be represented as (5,7)
The new dimension can be calculated by multiplying the old dimension by the factor
![New\ Dimension = Factor * Old\ Dimension](https://img.qammunity.org/2021/formulas/mathematics/college/zzu1cu5r8tfh7twlj18kz9vocffcubnmjq.png)
![New\ Dimension = 4* (5,7)](https://img.qammunity.org/2021/formulas/mathematics/college/zp6abonmdfs2u8oihbjfwzm1a9y7tlwmag.png)
![New\ Dimension = (4* 5,4* 7)](https://img.qammunity.org/2021/formulas/mathematics/college/bcw2rcqu65a71mp8tknf0xysmophavql7x.png)
![New\ Dimension = (20,28)](https://img.qammunity.org/2021/formulas/mathematics/college/nvsz43xo03dwel6vv318c4cd6hpuyxnysl.png)
Hence, the new dimension is 28 inches by 28 inches