SOLUTION: A textbook store sold a combined total of
439
sociology and psychology textbooks in a week. The number of sociology textbooks sold was
75
more than the number of psychology
Algebra.Com
Question 1109278: A textbook store sold a combined total of
439
sociology and psychology textbooks in a week. The number of sociology textbooks sold was
75
more than the number of psychology textbooks sold. How many textbooks of each type were sold?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
psych=x
soc=x+75
add to 439
2x+75=439
2x=364
x=182 psych
x+75=257 soc ANSWER
add to 439
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