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.

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.