Question

If P is 30 units and I is 10 units, w is

Answer 1

Note that perimeter of rectangle $P=2l+2w$

So we have to solve for width or w.

$P=2l+2w$

$30=2\times10+2w$

$w=5$

Width of a rectangle is 5 units.

Hope this helps.

r3t40