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breella0
08.02.2021 •
Mathematics
the length and breadth of a rectangular plot is in the ratio of 4:3. if the perimeter is 140m, find the length and breadth of a rectangle
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Ответ:
l = 40 m and b = 30 m
Step-by-step explanation:
Let the length and breadth of a rectangle be 4x and 3x.
We know that,
The perimeter of a rectangle is given by :
P = 2(l+b)
140 = 2(4x+3x)
70 = 7x
x = 10
Length, l = 4x = 4(10) = 40 m
Breadth, b = 3x= 3(10) = 30 m
So, the length and breadth of a rectangle are 40 m and 30 m respectively.
Ответ:
12 oz: $0.35 per oz
16.3 oz: $0.38 per oz
28 oz: $0.30 per oz
64 oz: $0.33 per oz
Which size is the best deal?
28 oz
Step-by-step explanation: it gave me the right answer after.