Vamsi purchased 3 pens and 5books for 180ruppes and Suresh purchased 2pens and 8 books for 260 ruppes
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Answered by
1
Answer:
book-30rupees,pen-10 rupees
Answered by
0
Answer:
Step-by-step explanation:
Let the number of books be. X
Let the number of pens be. Y
A.T.Q
3X+5Y=180....…..........1
2X+8Y=260………........2
BY SOLVING..........1
3X+5Y=180
3X=180-5Y
X=180-5Y/3……......3
PUT THE VALUE OF X IN ...........2
2X+8Y=260
2(180-5Y/3)+8Y =260
760-10Y+8Y=260(3)
760-2Y=780
-2Y=780-760
-2Y= 20
Y= 20/-2
Y=10
PUT THE VALUE OF Y IN ........3
X=180-5Y/3
X=180-5(10/3)
X=180-50/3
X=540-50/3
X=490/3
X=163.33
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