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OpenStudy (anonymous):
Am i correct ?? An overhead projector enlarges the image on its glass by a scale factor of 4. A rectangle that is 3 inches wide and 7 inches long on the glass is projected on a screen. What is the length of the rectangle on the screen?
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OpenStudy (anonymous):
im thinking 28 !
OpenStudy (susanna):
Multiply the width and length by 4.
OpenStudy (anonymous):
@MARC_
OpenStudy (susanna):
Only length
OpenStudy (anonymous):
yep it's 28
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OpenStudy (susanna):
U r right
OpenStudy (anonymous):
Thanks both of you!!
OpenStudy (anonymous):
np
OpenStudy (susanna):
Sure
OpenStudy (anonymous):
I mastered it!!, and now i have to go to bed
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