A grocer bought a box of soap containing 72 bars for $49.00. Some of the soap he sold at 3 bars for $2.50, and the rest $0.70 a bar. This gave a profit of $7.80. How many bars did he sell?

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A grocer bought a box of soap containing 72 bars for $49.00. Some of the soap he sold at 3 bars for $2.50, and the rest $0.70 a bar. This gave a profit of $7.80. How many bars did he sell?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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Anybody wanna help pleas???
i'll try =^_^=
hold on..

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Other answers:

Thanks :D
$2.5 = 48 bars $0.7 = 24 bars
Thanks :D
happy to help! =^_^=
it is not ..
Yes it is
sure pat?
why?
yeah, i got that also. sorry.
haha..
^_^
Let x = number sold at 3 / $2.50 72 - x = number sold at $.70 2.50 / 3x + 2.10 (72- x = 49.00 + 7.80 2.50x + 151.20 - 2.10x = 170.40 .4x = 19.20 x = 48 48 \[\div\] 3 = 16 2.50 x 16 = 40 .70 x 24 = 16.80 40.00 + 16.80 = 56.80 56.80 - 49.00 = 7.80
Let x=number sold at 0.7 72-x=number sold at 0.25 2.5(72-x)/3 + 0.7x=56.8 180-2.5x+2.1x=170.4 -0.4x=-9.6 x=24 72-x=72-24=48

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