Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

3. Credit Card: (1842.66 - 250) (.145/12) = $19.24
Savings: 250(0.04/12) = $0.83
Difference = 19.24 - 0.83 = $18.41
4. Credit Card: (1842.66 - 500) (.145/12) = $16.22
You will save $18.41 - $16.22 = $2.19 by putting all $500 toward the higher credit card rate.
The perimeter is 988 meters
Further explanation:
The given square has different length and breadth which means that the given square is a rectangle.
The formula for perimeter of a rectangle is:

Given
Length=L=256m
Breadth=W=238m
Putting the values in the formula:

The perimeter is 988 meters.
Keywords: Rectangle, Perimeter
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