Revision - year 8 Term 3 Ratios, linear equations and time

Simplify the following ratio:

3:12

• Can't simplify

• 4:1

• 1:4

• 1:3

Simplify the following ratios:

5:100

• Can't simplify

• 5:20

• 20:5

• 1:20

Simplify the following ratios:

200:50

• Can't simplify

• 4:1

• 20:5

• 2:5

Simplify the following ratios:

120:60:300

• Can't simplify

• 2:1:5

• 12:6:30

• 12:6:3

A container has 15 red lollies and 45 green lollies. What is the simplified ratio of red to green lollies?

• 15:45

• 45:15

• 3:1

• 1:3

A bucket contains 40 marbles, of which 15 are green, five are blue and the rest are yellow.

What is the simplified ratio of green marbles to blue marbles?

• 3:1

• 15:5

• 1:3

• 40:15

A bucket contains 40 marbles, of which 15 are green, five are blue and the rest are yellow.

What is the simplified ratio of yellow marbles to green marbles?

(a)  

Nine people (a family of five and two adult couples) hire a conference room for a family dinner. The total cost is $124.20. The cost will be split between the family and the couples to ensure that each person pays the same amount.

How much should the family pay? How much should each couple pay?

• $13.20 each

• Family = $69

  Couple = $27.60

• Family = $69

  Couple = $55.20

• Family = $124.20

  Couple = $13.20

Convert to 12 hour time:

0655 h

(a)  

Convert to 12 hour time:

2250 h

(a)