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A textbook store sold a combined total 440 of physics and sociology textbooks in a week. The number of sociology textbooks sold was 54 less than the number of physics textbooks sold. How many textbooks of each type were sold?

Respuesta :

musiclover10045

First subtract the difference of the two by the total:

440 - 54 = 386

Now divide that by 2:

386 / 2 = 193

193 is the number of Sociology books sold.

Now add 54 to 193 for the total Physics books:

193 + 54 = 247 Physics books were sold.

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