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Mathematics 8 Online
OpenStudy (anonymous):

Karen has a pen that is 9 centimeters 9 millimeters long and a pencil that is 18 centimeters 4 millimeters long. If she places them end to end, what is the total length of the pen and pencil?

OpenStudy (anonymous):

9 cm +18 cm is 27 cm 9 mm + 4 mm is 13 mm

OpenStudy (anonymous):

since there are 10 mm in a cm, 13 mm is 1.3 cm

OpenStudy (anonymous):

27 and 3

OpenStudy (anonymous):

you get 28.3 cm or 28 cm 3 mm

OpenStudy (anonymous):

THE CARRIE DIARIES

OpenStudy (anonymous):

like adding \(9.9+18.4\) to give you \(28.3\)

OpenStudy (anonymous):

ok thanks

OpenStudy (anonymous):

yw

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