Answer:
7×17/49
Step-by-step explanation:
90/7 × 4/7
90×4 / 7×7
360/49
7 17/49
To do 8 divided by two, you have use the keep change change rule, so it becomes:
8/1 times 5/2, and you just multiply out and you get:
40/2 which simplifies to
20
Answer:
when
.
Step-by-step explanation:
Given: 
To find: Value of
, substituting the known value of 
We have,

Putting
in equation
, we get


Hence, the value of
is
, when the value of
is
.
The dimensions of the rectangle given are
length = 14 meters
Width = 8 meters
The perimeter of the rectangle is given by the sum of its sides
The rectangle has to opposite sides of 14 meters and two opposite sides of 8 meters
Hence adding up the 4 sides we get

Hence option B is the right answer