The relation between the number of tickets, x and the price, y is given by the equation y = x +10. Which of the following represents the missing values in the table?
A
30 and 38
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B
35 and 42
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C
40 and 50
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D
30 and 40
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Solution
The correct option is A 30 and 38 Total cost= Number of tickets + 10
Hence, when number of tickets is 20, total cost = 20 + 10 = ₹30
When number of tickets is 28, total cost = 28 + 10 = ₹38
Hence, the missing values in the table are 30 and 38 respectively.