Question

A rectangle has a width of 2x-3cm and a length of 3x-4cm. Of the perimeter of the rectangle is 186cm, what is the value of x?

Answer 1

this is optimization?

Answer 2

is 20.4 one of your choices?

Answer 3

No but there's a 20

Answer 4

oh yes, i got it. it's 20cm

Answer 5

186= 2(2x-3) +2(3x-4)
186=4x-6+6x-8
186=10x-14
200=10x
x=20

make sense?

Answer 6

if you want me to explain it to you, i can