Question

I don’t understand these 2 questions. thank you.

Answer 1

Explanation -:

In this question of means multiplication.

Let us start solve this question

Question 1

`\small\rm{ (1)/(4) \: of \: £ \: 42}`

First we will convert whole number into a fraction

(Any number can be converted to fraction if you use 1 as the denominator)

`\small\sf{ (1)/(4) \: * \: (42)/(1)}`

Now we will multiply the numerators and denominators.

`\small\sf{ (42)/(4) = £10.50 }`

Question 2

`\small\rm{(2)/(5) \: of \: £ \: 13.50}`

First we will convert whole number into a fraction

`\small\sf{ (2)/(5) * (13.50)/(1) }`

Now we will multiply the numerators and denominators.

`\small\sf{ (27)/(5) =£ 5.40 }`

Answer 2

a) £10.50

b) £5.40

Explanation:

In this context, "of" means "times".

__

a)

1/4 × £42 = £(42/4) = £10.50

__

b)

2/5 × £13.50 = £(2·13.50/5) = £(27/5) = £5.40

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Additional comment

The symbol "£" is a currency symbol identifying the units of the associated number. For algebraic purposes, any symbol representing units can be treated as though it were a variable.