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A textbook store sold a combined total of 282 biology and physics textbooks in a week. The number of biology textbooks sold was two times the number of
physics textbooks sold. How many textbooks of each type were sold?​

Respuesta :

absor201

188 books of biology and 94 books of physics were sold.

Step-by-step explanation:

Total books sold = 282

Let,

Number of biology books = b

Number of physics books = p

According to given statement;

b+p=282   Eqn 1

b=2p     Eqn 2

Putting value of b from Eqn 2 in Eqn 1

[tex]2p+p=282\\3p=282[/tex]

Dividing both sides by 3

[tex]\frac{3p}{3}=\frac{282}{3}\\p=94[/tex]

Putting p=94 in Eqn 2

[tex]b=2(94)\\b=188[/tex]

188 books of biology and 94 books of physics were sold.

Keywords: linear equations, division

Learn more about linear equations at:

  • brainly.com/question/8799684
  • brainly.com/question/8805387

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