Question

A rectangular swimming pool measuring 10 m by 4 m is surrounded by a deck of uniform width. The combined area of the deck and pool is 135 m^2. What is the width of the deck?

Answer 1

let X be the width of the deck around the pool
can you set up the equation?

Answer 2

x= (10+2x)(4+2x)=135

Answer 3

except for that first x= part, yes

Answer 4

ok

Answer 5

so, can you expand it out?

Answer 6

thanks I know how to do it now :D

Answer 7

great.... they really are easier than they first look

Answer 8

i know right