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OpenStudy (anonymous):
A scanner scanned 56 photos in 7 minutes. If it scans photos at a constant rate, it can scan _____ photos in 27 minutes.
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syed98 (syedmohammed98):
use the ratio method 56 photos = 7 mins X photos = 27 mins
syed98 (syedmohammed98):
cross multiply it i:e 56*27 = 7X
syed98 (syedmohammed98):
so now it's 1512 = 7x 7 goes towards the left side ( division) 1512/7 = x
syed98 (syedmohammed98):
1512 divided by 7 = Answer :)
OpenStudy (anonymous):
thanks
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syed98 (syedmohammed98):
most welcome
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