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ale4655 [162]
3 years ago
10

Shannon sells handmade wallets for $12 each.

Mathematics
1 answer:
Llana [10]3 years ago
5 0
She sold n yesterday
today she sold n-3

ok, so
12(n+n-3)=396
12(2n-3)=396
divide both sides by 12
2n-3=33
add 3 to both sides
2n=36
divide both sides by 2
n=18

sold 18 wallets yesterday
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