Simplifying Ratios
Simplify the Ratio 2:4
1:2
Write as a simplified rate.
100 kilometres in 2 hours
50 km/h
Find the total number of parts if a ratio is 2 : 7
9 parts
A tiler uses 4 blue tiles to every 5 orange ones. How many blue tiles are used if she uses 50 orange tiles?
40 blue tiles
A car is travelling at a speed of 50km/h. How far will it travel in 2 hours?
100km
Simplify the ratio 6:9
2:3
Write as a simplified rate.
30 students for 5 teachers
6 students/teacher
Divide $5 in the ratio 2 : 3
$2 and $3
In a Maths class the ratio of boys to girls is 4 : 7. If there are 12 boys, how many girls are there?
21 girls
If 3 books cost $6, how much will 10 books cost?
$20
Simplify the ratio 20:25
4:5
Write as a simplified rate.
A car travels 200 metres over 4 seconds
50 m/s
Divide $45 in the ratio 4 : 5
$20 and $25
Two lengths of timber are in the ratio 3 : 8. The longer length is 56 cm. How long is the shorter length?
21cm
If 8Kg of chicken costs $72, how much will 3kg cost?
$27
Simplify the ratio 24:30:36
4:5:6
Write as a simplified rate.
$64 for 16 kilograms
$4/Kg
Divide 56 L in the ratio 3 : 5
21L and 35L
In a short crust pastry recipe, flour and butter are needed in the ratio 3 : 2. If 600 g flour is needed, how much butter is needed?
400g
Draw a travel graph for the following journey.
In a 2 hour journey, a cyclist travelled 25km in 1 hour, stopped for 30 minutes then returned home.
To be checked by teacher
Simplify the ratio 1/2 : 2/3
3:4
Write as a simplified rate.
Jane is paid $175 for 5 hours work.
$35/h
Divide 720 cm in the ratio 4 : 3 : 5
240 cm, 180 cm, 300 cm
In a triangle, the lengths of the sides are 3 : 4 : 5. If the longest side is 25 cm, what is the perimeter of the triangle?
15+20+25=60 cm
What is the cost of paving a veranda that is 3 m long and 4 m wide, if the paving costs $8 per square metre?
$96