Q1 Divide each distance by its time to find the speed for each driver. T: 380 km / 4 hr = 95 km/h M: 530 km / 5 hr = 106 km/h Martine's average speed was greater.
Q2 Bronze to aluminum is 25:2 The alloy is bronze plus aluminum, so by adding 25 + 2 you get 27. Bronze to total is 25:27
25 is 27 as x is to 55
25/27 = x/55
27x = 25 * 55
x = 50.926
Answer: 50.926 kg of bronze
Q3 Manipulative toys to art toys is 30:40 Total toys = 30 + 40 = 70
The time required for a race car to complete a 400 mile race is inversely proportional to the average speed that the car maintains. Express the relationship between race time and average speed in two equivalent forms.
