Answer:
cost of 1 book=$100.75
cost of 30 books =$100.75×30
=3022.5
so, cost of 30 books is$3022.5
Step-by-step explanation:
total cost =60
number of books =15
cost of a book =60÷15=4
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Answer:
cost of 1 book=$100.75
cost of 30 books =$100.75×30
=3022.5
so, cost of 30 books is$3022.5
Step-by-step explanation:
total cost =60
number of books =15
cost of a book =60÷15=4