Which equation below and solution for X does the model represent?? A) 2x + 2x = 85, x = 42.50

B) 4 + x = 85, x = 21.25

C) x + x + x + x = 85, x = 21.00

D) 4x = 85, x = 21.25

D) 4x=85, x=21.25

Step-by-step explanation:

If the total is 85$, and every shirt costs the same amount, then you would divide 85 by 4.

That will leave you with 21.25 per shirt.

D) 4x = 85, x = 21.25

Step-by-step explanation:

D) 4x = 85, x = 21.25

4x = 85

4       4

x = 21.25

answer: solve 5\cdot 2^x=2405⋅2  

x

=2405, dot, 2, start superscript, x, end superscript, equals, 240.

solution

to solve for xxx, we must first isolate the exponential part. to do this, divide both sides by 555 as shown below. we do not multiply the 555 and the 222 as this goes against the order of operations!

\begin{aligned} 5\cdot 2^x& =240 2^x& =48 \\ \end{aligned}  

5⋅2  

x

2  

x

​    

=240

=48

​

step-by-step explanation:

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