Mrs Chauhan lost her purse containing rupees 50 and rupees 100 notes amount to rupees 1500 in a shop. Next day shopkeeper found the person during dusting.He immediately went to Mrs Chauhan house and return the person and rupees. Mrs. Chauhan appreciates the shopkeeper for his act what is the linear equation of this question.
Answers
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brainly.in/question/13070377
A pair of equations is shown below: y = 7x − 9 y = 3x − 1 Part A: In ...
Answer:
Step-by-step explanation:
Step-by-step explanation:
Let say Rs 50 notes = X
& Rs 100 notes = Y
50X + 100Y = 1500
=> X + 2Y = 30
X Y
0 15
2 14
4 13
6 12
8 11
10 10
12 9
14 8
16 7
18 6
20 5
22 4
24 3
26 2
28 1
30 0
Learn more:
Answer:
By taking notes as x and y
50x + 100y = 1500 ___(1) x + y = 150____(2)
x = 150 - y [put in equation (1)]
50(150-y) + 100y = 1500
7500 - 50y + 100y = 1500 x = 150 - (120)
-50y + 100y = 1500 - 7500 x = 30
-50y = -6000
y = 120 [put in equation (2)]
Hence, y=120, x=30