The length of a rectangle is 2 meters longer than the width. If the area is 30 square meters, find the rectangle's dimensions.
1 answer:
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<h3>Total approximately 16 boxes of flooring will be needed in Stanley's living room. </h3>
Step-by-step explanation:
Here the given question is <u>incomplete</u>.
Stanley is having wood flooring installed in his living room. The installer has used 10 1/2 boxes of flooring on 2/3 of the room. How many total boxes of flooring will be needed for Stanley's living room?
The number of boxes used in the two third of room = boxes
So, room = 10. 5 boxes
So, 1 room =
So, total approximately 16 boxes of flooring will be needed in Stanley's living room.
Answer: 28
Step-by-step explanation:
The mean of 15 numbers = 12
Then , the sum of the numbers = 12x15 = 180
Let the extra number included be , then
The new sum =
And the new total number will increase from 15 to 16
new mean = 13 , so we have :
therefore , the extra number is 28