TUESDAY H/WORK ratio

A recipe uses 3 parts flour to 2 parts sugar.
How many parts of sugar are needed if you use 15 parts flour?

(a)  

A builder mixes cement and sand in a ratio of 1:4.
If he uses 5 buckets of cement, how many buckets of sand does he use?

(a)  

Lena cycles 12 km in 40 minutes.
Write the ratio of distance to time in its simplest form.

(a)  

A toy train is made to a scale of 1:100.
The actual train is 25 metres long.
How long is the toy train in centimetres?

(a)  

If a baker uses 4 eggs for every 500 g of flour,
how many eggs does he need for 2000 g of flour?

(a)  

Sarah paints a wall using red and white paint in the ratio 3:2.

If she uses 15 litres of red paint, how many litres of white paint does she use?

(a)  

A school has 60 boys and 40 girls.
Write the ratio of boys to girls in simplest form.

(a)  

A rectangle has sides 8 cm and 4 cm.
Another rectangle has sides 12 cm and 6 cm.
WHAT IS THE RATIO OF LENGTH TO WIDTH?

(a)  

A giraffe is 5.2 metres tall. A model is made using a 1:50 scale.
How tall is the model in centimetres?

(a)  

A jug contains 750 ml of juice.
This is shared between 3 children in equal amounts.
How much does each child get?

(a)