Question

Exercise 1
Ratio and Direct Proportion
1)
A builder uses ratio to mix mortar when building a wall.
The ratio of sand to cement is 4:1 – that means for every 4 shovels of
sand, the builder needs 1 shovel of cement.
a)
How many shovels of sand need to be added to two shovels of cement?
How many shovels of sand need to be added to five shovels of cement?
b)
7
2)
Here is a recipe for 10 scones.
225g self-raising flour
pinch of salt
55g butter
25g caster sugar
150ml milk
a)
07
How much castor sugar is to be used to make 30 scones?__​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

75g answer of question 2