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dondre54
06.10.2019 •
Mathematics
Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. he spent a total of $47.65. if hugh bought 3 magazines, how many books did he buy?
the equation that models the problem is 3.95m + 8.95b = 47.65, where m is the number of magazines and b is the number of books
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Ответ:
substitute m = 3 into the equation above
3.95 (3) + 8.95b = 47.65
11.85 + 8.95b = 47.65
8.95b = 47.65 - 11.85
8.95b = 35.8
b = 35.8 / 8.95
b = 4
Hugh bought 4 books
Ответ:
11.85+8.95=47.65
subtract 11.95 from both sides
8.95b=35.8
divide 8.95 from both sides
b=4
Hugh Bought 4 Books
Ответ:
The graph looks like this
Step-by-step explanation:
Hope it helped, heres the link for the graphing calculator I use
desmos com/calculator
Add a . between desmos and com