Grade 8 Proportions Quiz Welcome to your Grade 8 Proportions Quiz Is this proportion correct? 2.1 : 0.3 = 4.9 : 0.7 Yes No None Determine the unknown: 1/3 = x/18 x = 3 x = 6 x = 54 None A cyclist covers a distance between the two towns in 7 hours while traveling 18 km/h. How many hours would it take him, if he was traveling between the same two towns but at a speed of 21 km/h? 8.2 hours 6 hours 3 hours None Hint Determine the value of x: x : 15 = 7 : 3 x = 35 x = 105 x = 6.43 None 0.8 m of fabric costs $5.4. How much would 3 m of the same fabric cost? $16.2 $4 $20.25 None Time's up