Question

An aeroplane travelled a distance of 400 km at an average speed of x km/ hr.
On the return journey, the speed was increased by 40 km/hr. Write down
an expression for the time taken for :
(i) the onward journey;
(ii) the return journey.
If the return journey took 30 minutes less than the onward journey, write
down an equation in x and find its valu

Answer 1

$\large\mathtt{\color{red}{❥} \color{aqua}{Hope \: }\color{lime}{it \: }\color{magenta}{helps \: }\color{navy}{you \: }\green{.....}}$

Answer 2

Answer:

Explanation:

i)9V

ii)0.2ohm

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Step-by-step explanation:

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