Answer:

Explanation:
Given: The area of a rectangle is 1.7 square units. The length is 3.4 units and the width is z units.
To find: Value of z
Solution: We know that area of a rectangle is calculated by multiplying length and width.
Here, length is given by 3.4 units and width is given by z units.
So, area of rectangle is

Now, area of the rectangle is given as 1.7 square units.
In order o get the value of z we need to equate the two areas.





Hence,
is correct.