a banner needs to be enlarged from its original format . The dimensions of the original are 4cm tall by 25cm wide. The enlarged banner needs to be at least 8m wide but no more than 1.4m tall . Calculate the minimum and maximum ratios of enlargement possible
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Ratio of 25 to 8 m =25:800 =1:32
At this ratio flag will be 4×32=128 cm = 1 m 28 cm
Minimum ratio = 32
Maximum ratio 4 cm to 1.4 m i.e. 4:140 = 1:35
Width at his enlargement =25x35=825 cm = 8 m 25 cm
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