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HELP PLS.

A textbook store sold a combined total of 370 math and chemistry textbooks in a week. The number of chemistry textbooks sold was 52 less than the number of math textbooks sold. How many textbooks of each type were sold?

NUMBER OF MATH TEXTBOOKS SOLD:

NUMBER OF CHEMISTRY BOOKS SOLD:

Respuesta :

Answer:

number of math textbooks sold: 211

number of chemistry textbooks sold: 159

Step-by-step explanation:

let [tex]x[/tex] be the number of math textbooks sold

let [tex]y[/tex] be the number of chemistry textbooks sold

[tex]y=x-52[/tex]

[tex]y+52=x[/tex]

[tex]x+y=370[/tex]

[tex]y+52+y=370[/tex]

[tex]2y=318[/tex]

[tex]y=159[/tex]

[tex]x=159+52[/tex]

[tex]x=211[/tex]

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