(i) Critical Thinking Write two different algebraic expressions for the word phrase “
of the sum of x and 7.”
(ii) What’s the Error? A student wrote an algebraic expression for “5 less than a number n divided by 3” as 
What error did the student make?
(iii) Write About it Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for ₹ 15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible?
(i) ‘of is used for multiplication’
(ii) the resultant of difference is divided by n.
correct = 
(iii) Multiplication is just repetitive addition.
either we add it many times or just multiply it ones.
Couldn't generate an explanation.
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