Question

The length of a cell phone is 2.2 inches and the width is 4.6 inches. The company

Answer 1

Answer:

The width of the new phone will be of 4.37 inches.

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

In this question:

Length was of 2.2 inches, after the modification is of 2.09 inches.

Width was of 4.6 inches, after the modification is x. So

2.2 - 2.09

4.6 - x

Applying cross multiplication:

$2.2x = 2.09*4.6$

$x = \frac{2.09*4.6}{2.2}$

$x = 4.37$

The width of the new phone will be of 4.37 inches.