# Fill the table. Given: Cost of 1 Apple = Rs. 8

To Find: Cost of 4, 7, 12, 20 apples.

Formula: (i) Substituting x1 = 1 y1 = 8 and x2 = 4 in the formula, Gives y2 = 32

The cost of 4 apples is Rs. 32

(ii) Substituting x1 = 1 y1 = 8 and x2 = 7 in the formula, Gives y2 = 56

The cost of 7 apples is Rs. 56

(iii) Substituting x1 = 1 y1 = 8 and x2 = 12 in the formula, Gives y2 = 96

The cost of 12 apples is Rs. 96

(iv) Substituting x1 = 1 y1 = 8 and x2 = 20 in the formula, Gives y2 = 160

The cost of 20 apples is Rs. 160

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