Explanation:
given,
total amnt =rs.150
cost of pen= rs.75
now,
left money =150_75
=rs.75
now,cost of 1 copy=10
then , no. of copies=75/10
=7.5
so he can buy 7 copies.
Answer:
7
Rs 150- Rs 75=Rs 75 remaining
Rs 75/10= 7 as whole
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