9 apples and 4 pears cost Rs 11 while 5 apples and 2 pears cost Rs 7.How much apple and each pear cost?
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The cost of an apple = Rs. 3 and the cost of apples = - Rs. 4.
Step-by-step explanation:
Let cost of an apple = Rs. x and cost of a pear = Rs. y
To find, cost of an apple =? and cost of pear a cost = ?
According to question,
Also,
Multying (2) × 2 and subtracting (1), we get
x = 3
Put x = 3 in equation (1), we get
⇒
⇒
Hence, the cost of an apple = Rs. 3 and the cost of apples = - Rs. 4.
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