Question

a person spent rupee 564 in buying pens and pencils if cost of each pen is rupee 7 and each pencil is rupee 3 and if that total number of things bought was 108 how many of each type did he buy​

Answer 1

Answer:

The number of pens bought are 60 and pencil bought are 48.

Step-by-step explanation:

⇒  Let the number of pens be x.

⇒  Then, number of pencils =108−x

⇒  Cost of pens =7x

⇒  Cost of pencils =3(108−x)

According to the question,

7x+3(108−x)=564

7x+324−3x=564

4x+324=564

4x=564−324

4x=240

∴   x=4240​=60

⇒  Number of pencils =108−60=48

∴  The number of pens bought are 60 and pencil bought are 48.

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Answer 2

QUESTION:- ⤵️

a person spent rupee 564 in buying pens and pencils if cost of each pen is rupee 7 and each pencil is rupee 3 and if that total number of things bought was 108 how many of each type did he buy

ANSWER:- ⤵️

⇒ Let the number of pens be x.

⇒ Then, number of pencils =108−x

⇒ Cost of pens =7x

⇒ Cost of pencils =3(108−x)

According to the question,

7x+3(108−x)=564

7x+324−3x=564

4x+324=564

4x=564−324

4x=240

∴ x= 240/5 =60

⇒ Number of pencils =108−60=48

∴ The number of pens bought are 60 and pencil bought are 48.