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Algebra 23 Online
OpenStudy (anonymous):

The area of a rectangle is 63 yd2 , and the length of the rectangle is 11 yd more than twice the width. Find the dimensions of the rectangle.

OpenStudy (jennyrlz):

hello :)

OpenStudy (anonymous):

hey

OpenStudy (jennyrlz):

welcome to openstudy, anywho lets jump straight into the problem :D

OpenStudy (jennyrlz):

do you know what the formula for the area of a rectangle is?

OpenStudy (anonymous):

what ive gotten is 63=(2w+11)(w)

OpenStudy (jennyrlz):

why do you have a w outside of the first parenthesis

OpenStudy (jennyrlz):

the first part is correwct

OpenStudy (jennyrlz):

63 (Area) = 11 x w

OpenStudy (jennyrlz):

not 2 w

OpenStudy (jennyrlz):

oh wait

OpenStudy (anonymous):

lol

OpenStudy (jennyrlz):

u know what, let me solve it on my end real quick :D

OpenStudy (jennyrlz):

ok

OpenStudy (jennyrlz):

so we have 63 = 11 * x

OpenStudy (jennyrlz):

this word problem gives u uneeded information in a hopes to confuse u

OpenStudy (jennyrlz):

for example when it says "more than twice the width"

OpenStudy (jennyrlz):

this doesnt really matter

OpenStudy (jennyrlz):

what matters is that we know the length is 11 and the area is 63

OpenStudy (jennyrlz):

so to solve this we use alebra :D

OpenStudy (jennyrlz):

in other words we isolate the variable

OpenStudy (jennyrlz):

to do this we divide both sides by 11

OpenStudy (jennyrlz):

so we get 63/11 = x

OpenStudy (jennyrlz):

which would give u the answer of...?

OpenStudy (anonymous):

5.7

OpenStudy (jennyrlz):

yup :D

OpenStudy (jennyrlz):

which follows what your word problem says, the length is more than twice the width :)

OpenStudy (jennyrlz):

well have a good night ^.^

OpenStudy (anonymous):

thank you

OpenStudy (jennyrlz):

oh dont forget to hit the "Best Response" button :D

OpenStudy (jennyrlz):

it helps me out :3

OpenStudy (jennyrlz):

anyways have a good day :d

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