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Sameer buys n notebooks and one pen at the prices shown. Which expression gives his bill in ₹, and what is the bill when n = 4?

Class 6Forming ExpressionsAlgebra

A $47 n$ ; ₹188
B $12 n + 35$ ; ₹83
C $35 n + 12 n$ ; ₹188
D $35 n + 12$ ; ₹152

Step-by-Step Solution

n

notebooks cost

35 n

and one pen costs 12, so the bill is

35 n + 12

. For

n = 4 : 140 + 12 = ₹152. (47 n

wrongly buys

n

pens too.)

Answer: D)

35 n + 12

; ₹152

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