1 dm = 10 cm so 7.5 dm/90 cm = 75 cm / 9 cm = 75/9 = 25/3
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The ratio of 90 to 18 is written as 90/18
15:1.
90. Every tenth of a meter contains 10 centimeters. Nine tenths will contain 90 centimeters.
90 inches are 228.6 centimeters.1 inch = 2.54 cm90 inches = 90 x 2.54 cm = 228.6 cmThere are 228.6 centimeters in 90 inches. 90 inches x 2.54 centimeters/1 inch = 228.6 centimeters 1 inch = 2.54 centimeters
900 millimeters is equal to 90 centimeters.