Answer: 
<u>Add 3x to both sides</u>
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<u>Subtract 15 from both sides</u>
<u></u>
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<u></u>
<u>Divide both sides by 5</u>
<u></u>
<u></u>
Answer:
9.3
Step-by-step explanation:
Is means equals and of means multiply
W = 30% * 31
Change to decimal form
W = .30 *31
W = 9.3
Answer would be the bottom answer
Answer:
$180
Step-by-step explanation:
step one 86+4 =90
step two 90×2=180
Length of floor = length of room = 7.5 units
Width of floor =
* Width of Room =
* 
⇒ Width of floor = 1.067 units