the price of 2 notebooks and 3 textbooks is 120' but a notebook cost 10 more than the textbook. find the cost of both.the notebook and text book.
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let cost of 1tb be x, then for 3tb =3x
cost of 2nt is 2x+20
then their sum = 3x+2x+20=120
X=20
3tb =3×20 = 60
2nt =2x+20=60
60+60= 120
cost of 1tb is 20 &
1nt is 30
cost of 2nt is 2x+20
then their sum = 3x+2x+20=120
X=20
3tb =3×20 = 60
2nt =2x+20=60
60+60= 120
cost of 1tb is 20 &
1nt is 30
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