Q 2: Find the mean proportional for 5 and 405. 9 30 45 205

Q 3: Write the given ratio or rate as a fraction in simplest form: 30 pencils to 48 pencils
5/9 5/7 3/5 5/8

Q 4: 8 days and 2 weeks -- write the numbers as a ratio. 8:14 8:2 2:8 14:8

Q 5: 2 hrs and 50 minutes -- write the numbers as a ratio. 50:2 2:50 120:50 50:120

Q 6: 7:8 :: 35:40 -- is it in proportion? No Yes

Q 7: The ratio of 6 hrs to 180 minutes is 6:3. False True

Q 8: The distance d that an object will fall freely from rest varies directly as the square of the time(t^{2}) it falls. If an object falls 122.5 m in 5 seconds, how far will it fall in 18 seconds? 2145.3 m 158.6 m 1932.6 m 1587.6 m

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