exam Maths Puzzle Numerical Ability

The perimeter of the rectangle is 190 inches. The length exceeeds the width by 53 inches. Find the length and the width.

Can someone please help with this one please? The perimeter is the 190 diveded by 4? Is that the way to start or not?

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exam Other Question

Dividing Polynomials: synthetic

3x^4 - 8x^2 + 7 divided by x - 2

please help me if you can Question: solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state wheter the system is dependent or inconsistant. The problem is
10x+2y=7
y=5x+3
Can someone help to solve this?