Chemistry, asked by ShahAshish8678, 4 hours ago

ماهو الغرض من الترشيح الاول والترشيج الثاني

Answers

Answered by Mbappe007
1

Answer:

Question:-

Mukesh break fast cost rs 30 per day at a restaurant.if he deposits an amount of rs 210 inThat restaurant ,how much days can he have his breakfast there.

To Find:-

How much days can he have his breakfast there.

Solution:-

Let x days be breakfast cost ₹ 210

Now ,

We have to find the number of days:-

\dashrightarrow\sf \: 1 : 30 = x : 210⇢1:30=x:210

\dashrightarrow\sf \: \dfrac { 1 } { 30 } = \dfrac { x } { 210 }⇢

30

1

=

210

x

\dashrightarrow\sf \: 30x = 210⇢30x=210

\dashrightarrow\sf \: x = \cancel\dfrac { 210 } { 30 }⇢x=

30

210

\dashrightarrow\sf \: x = \cancel\dfrac { 21 } { 3 }⇢x=

3

21

\dashrightarrow\sf \: x = 7⇢x=7

Hence ,

The have his breakfast for 7 days.

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