Charles measured three pieces of string. The strings measured 7.68 inches,3.9 inches, and 2.2 inches. What is the difference in length between the longest string and the shortest string

5.48

Step-by-step explanation:

Given length of three strings:

To find:

The difference in length between the longest and the shortest string?

Solution:

First of all, let us compare the given three decimal numbers.

We check the number before decimal first of all.

We can see that the numbers are 7, 3, and 2.

7 being the largest is the longest string.

2 being the smallest is the shortest string.

So, the difference is:

So, the answer is 5.48.

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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step-by-step explanation:

f(gx)=f(1/x+2)

=(1/x+2)+2

=(1+2x)/2+2

=(1+2x+4)/2

= (2x+5)/2