Question

A rectangle is 5 times as long as it is wide. It's perimeter is 180 feet. What is the area of the rectangle, in square feet?

Answer 1

We need to write down two equations

Answer 2

"A rectangle is 5 times as long as it is wide"

Can you think of an equation for this statement?

Answer 3

5*lw?

Answer 4

gotta have an = sign in there somewhere...

Answer 5

"5w is the same as l"

Answer 6

How about that one?

Answer 7

5w?

Answer 8

you need an = sign!

Answer 9

5=w?

Answer 10

no no w is not 5.. we need to solve for w

Answer 11

sorry.

Answer 12

"5w is the same as l"
5w = l

Answer 13

okay so one of our equations is
5w = l

Answer 14

ok....

Answer 15

How do you find the perimeter?

Answer 16

add the sides together

Answer 17

sweet! can you write that using "w" and "l"

Answer 18

5+1+5+1=12
180/12=15
5*15=75
75*15=1125