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Mathematics 10 Online
OpenStudy (anonymous):

An original rectangle has a length of 10 and a width of 28. What happens to the area if the new width is one quarter the original width? Verify your answer.

OpenStudy (campbell_st):

well what is the area of the original rectangle...? what is the new width..? what is the area of the new rectangle..? what happened new area/original area =

OpenStudy (anonymous):

the area of the original square is 280

OpenStudy (campbell_st):

great... so if the width is 28 what is 1/4 of the new width..?

OpenStudy (anonymous):

7?

OpenStudy (campbell_st):

ok... so if you divide the width by 4 what do you think the area will be..?

OpenStudy (campbell_st):

so the width is now 7 and the length is 10, what is the new area..?

OpenStudy (anonymous):

I thought 7?

OpenStudy (campbell_st):

ok... so find the new area...

OpenStudy (anonymous):

oh lol, 70

OpenStudy (campbell_st):

so if the width is 1/4 of the original then the area is ? of the original

OpenStudy (anonymous):

ugh i'm confused x( so I know the new area is 70, so to find the width do I divide to by 4?

OpenStudy (campbell_st):

what is new area / old area 70/280 =

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