Answer:
5a) see work below
5b) false
6) a = 1, b= -1
Step-by-step explanation:
work in picture attached
$13.50
468
make a proportion:
13/20 = x/720
20x?=720
20x36=720
whatever you do to the bottom you do to the top
13x36=468
468/720 residents claim to recycle
JN and LP...............
Hello the answer is
x= -2 1/2
