the actual length of a photograph was 3 metre. What is its length in the photograph if the scale used is 1m:30cm?
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Answer:
10m
Step-by-step explanation:
TOTAL LENGTH OF THE PHOTOGRAPH : 3m
THE RATION OF PHOTO AND REAL VIEW : 1m:30cm
FIRST CONVERT INTO CM : 3m = 300cm , 1m = 100cm
SECOND DIVIDE 300cm WITH 30cm : 300/30 = 10
THIRD MULTIPY 100cm with 10 : 100 * 10 = 1000cm or 10m
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