The price of one box is (a-7)Rs. What is the total cost of (a+7)boxes? – InterviewSolution

1.

The price of one box is (a-7)Rs. What is the total cost of (a+7)boxes?

Answer» ONG>ANSWER:

(a^2-7^2)

(a^2-49)

Step-by-step EXPLANATION:

total cost = price×quantity

=(a-7)×(a+7)

=a^2-7a+7a-7^2

=(a^2-49) Ans.

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