The length of a rectangular garden is three feet less than twice it’s width. If the perimeter of the garden is 42 feet, what is
the length?
1 answer:
<h3><u>The length is equal to 13.</u></h3><h3><u>The width is equal to 8.</u></h3>
l = 2w - 3
2l + 2w = 42
Because we have a value for l, we can plug it into the second equation to solve for w.
2(2w - 3) + 2w = 42
Distributive property.
4w - 6 + 2w = 42
Combine like terms.
6w - 6 = 42
Add 6 to both sides.
6w = 48
Divide both sides by 6.
w = 8
Now that we have a value for w, we can solve for the exact value of l.
l = 2(8) - 3
l = 16 - 3
l = 13
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Answer:

Step-by-step explanation:
we have

step 1
Divide by -5 both sides

step 2
Apply log both sides
![log[10^{x}]=log[31/5]](https://tex.z-dn.net/?f=log%5B10%5E%7Bx%7D%5D%3Dlog%5B31%2F5%5D)
step 3
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Remember that

so
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Remember that

substitute
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