Short Answer
|
|
|
1.
|
Given the following equivalent ratios, find
the missing constant “k”. Write your answer as a fraction:
ii) 
iii) 
|
|
|
2.
|
If a car can travel 65km each hour, then how many hours would it take to travel
400km? Give your answer to 2 decimal places in hours.
|
|
|
3.
|
Susan bought a map that has a ratio of 1:5,000,000. If the distance
between two cities is 5cm on the map , then how far apart are the two cities?
|
|
|
4.
|
If 10cm on a map represents 480km, then what is the ratio of the maps
scale?
|
|
|
5.
|
Jim wants to buy cheese and he has 3 options: Store A: 500g for $5.85, Store B:
1.25kg for $13.75, or store C: 2.25kg for $25. Which store has the cheapest rate? Find the cost
per kg for each store.
|
|
|
6.
|
2,223 people attended a conference and most people were either students or
working professionals. The ratio of professionals to students was 9 to 4. How many
students attended the conference? How many professionals attended the conference?
|
|
|
7.
|
Given the following ratios, which one is not equivalent to the others? 
|
|
|
8.
|
Which car is travelling faster? Car A) 355km/4.5hr vs
car B) 270km/3.5hr.
How many km/hr faster is the faster car?
|
|
|
9.
|
The ratio of the length to the width of a rectangle is 4 to 7. If the area
of the rectangle is 1008cm2, then what are the dimensions of the rectangle?
|
|
|
10.
|
Lawrence want to buy hotdogs and burgers for a bbq. Hotdogs come in
packages of 20 and cost $8.75. Burgers come in packages of 12 and cost
$13.75. Lawrence can spend up to $30 in hotdogs and up to $40 in burgers. If he
spends all that he can, then what is the ratio of the numbers of hotdogs to the number of
burgers?
|
|
|
11.
|
Jason is travelling 450km between two cities. In the first 150km, he was
travelling at 120km/h. In the rest of the distance he was travelling at 85km/hr. Then
much time did it take Jason to travel 450km in total?
|