Question

5. The cost of book is ₹x and cost of a pen is ₹y
(i) Write an algebraic expression for cost of a parcel containing 2 books and 5 pens.
(ii) Write an algebraic expression with brackets for total cost of six such parcels.
(iii) Open the bracket in (ii) using distributive and write the expression. Is it same as finding cost of 12 books and 30 pens?​

Answer 1

Answer:

(i)2x+5y

(ii)6(2x+5y)

(iii)12x+30y. Yes it is same

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