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Shannon sells handmade wallets for $12 each.

Yesterday, she sold n wallets. Today, she sold 3 fewer wallets than yesterday.

Over the past two days, she earned a total of $396.

Drag and drop terms and an operation to create an equation that models the situation. Then, solve for n, the number of wallets Shannon sold yesterday.

Respuesta :

Neuron
If you would like to know the number of wallets Shannon sold yesterday, you can calculate this using the following steps:

n ... the number of sold wallets
1 wallet ... $12
yesterday ... n
today ... n - 3
over the past two days ... $396

an equation that models the situation: n * $12 + (n - 3) * $12 = $396
n * 12 + (n - 3) * 12 = 396
n * 12 + n * 12 - 3 * 12 = 396
2 * n * 12 - 36 = 396
n * 24 = 396 + 36
n * 24 = 432
n = 432 / 24
n = 18 wallets

Shannon sold 18 wallets yesterday.

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