Which expression below can Cynthia use to find the cost for a backage that weighs w pounds?
1 answer:
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6j+
n=134
you multiply this by 18
6j+18n=558
6j+1/3*n=134
___________(-)
53n/3=424 => 53n=1272 => n=24
You put n in the first equation:
6j+8=134
6j=126 => j=21
Final answer: Nathan has 24 books and Jason 21.
6j+18n=558
6j+1/3*n=134
___________(-)
53n/3=424 => 53n=1272 => n=24
You put n in the first equation:
6j+8=134
6j=126 => j=21
Final answer: Nathan has 24 books and Jason 21.