Vicky swam 1/2 the swimming pool in 1/4 per minute, what’s the length that she swam☹️

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.