6.5 cm
Step-by-step explanation:
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tip=18% of 75.45
=18/100 * 75.45 = $13.581
Tip = $13.581
Given height of gymnasium is 5/6 height of 30 foot ball
therefore height of gymnasium=5/6 * 30
=25 feet
Decrease in bikes sale = 650 - 572 = 78
%Decrease = (change)/old value * 100
%Decrease in sale = 78/650 * 100 = 12%
Decrease in sale = 12%
It will provide an instant answer!