(a) Simplify: 6,391-4,543 +,1001
(b) The cost of 9 books is Rs 729. What is the
cost of one such book?
(Non-anonymous question o)
(4 Points)
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Answer:
a=2849
Step-by-step explanation:
if 9 books price is 729 then 1. book is =729/9=81
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