Question

If you know this answer plz help me out asap​

Answer 1

Answer:

the answer is D.

Step-by-step explanation:

(2s-5+4s-13)*2=108

(6s-18)*2=108

12s-36=108

12s=108+18

s=12

2*12-5=24-5=19 mi

4*12-13=48-13=35 mi

Answer 2

Answer:

D

Step-by-step explanation:

The perimeter of a rectangle is given by the formula:

$P=2(l+w)$

From our figure, our length is (2s-5) and our width is (4s-13). So, let's substitute (2s-5) for l and (4s-13) for w. This yields:

$P=2((2s-5)+(4s-13))$

We also know that the perimeter is 108. So, substitute that for P:

$108=2(2s-5+4s-13)$

Solve for s. We can first divide everything by 2:

$54=2s-5+4s-13$

Combine like terms:

$54=(2s+4s)+(-5-13)$

Add or subtract:

$54=6s-18$

Add 18 to both sides:

$72=6s$

Divide both sides by 6:

$s=12$

So, the value of s is 12.

Now, substitute this back in to find our length and width:

$l=2s-5$

Substitute 12 for s:

$l=12(2)-5$

Multiply and subtract:

$l=24-5=19$

Now, let's find the width:

$w=4s-13$

Substitute 12 for s:

$w=4(12)-13$

Multiply and subtract:

$w=48-13=35$

So, our length is 19 and our width is 35.

The choice that reflects this is D.

And we're done!