brittneyrost3722
22.08.2020 •
Mathematics
Kevin ordered some books online for seven dollars each he paid a total of six dollars for shipping the total cost of the purchase was $97 how many books did he buy?
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Ответ:
a) 7b+6=97
b)b=13
Step-by-step explanation:
Total cost = $97
Cost of each book = $7
Cost of shipping =$6
Therefore ,
Cost of the total no. of books+ Cost of shipping = Total Cost
=>7b+6= 97 < Answer to part(a)
=>7b=97-6
=>7b=91
=>b=13
No. of books = 13 < Part (b)
Ответ:
perpendicular? maybe, sorry if that is wrong
Step-by-step explanation: