Question

2. One litre of milk fills two identical bottles. A quarter
of the milk in one bottle is used to make a cup of tea.
How much milk was used to make tea? How many
millilitres?
Vertically and Horizontally​

Answer 1

Given:

One litre of milk fills two identical bottles.  

A quarter  of the milk in one bottle is used to make a cup of tea.

To find:

(i) How much milk was used to make tea?

(ii) How many  millilitres?

Solution:

(i). Finding the amount of milk used to make tea:

No. of identical bottles filled with 1 L litre of milk = 2

∴ The amount of milk in each bottle = $\frac{1}{2} \:L$

A quarter of milk in one bottle is used to make tea

i.e., The amount of milk used from one of the bottles = $\frac{1}{4} \times \frac{1}{2} = \bold{\frac{1}{8} \:L}$

Thus, $\underline{\bold{\frac{1}{8}\:L }}$ of the milk was used to make tea.

(ii). Finding the amount of milk in millilitres:

We know,

$\boxed{\bold{1\: L = 1000\: ml}}$

∴ The amount of milk (in millilitres) used to make tea is,

= $\frac{1}{8} \times 1000$

= $\bold{125\:ml}$

Thus, 125 ml of milk was used from one of the bottles to make tea.

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