Allegra and Simeon were selling containers of cookie dough for a charity event. In the first week, Allegra sold 30%, percent more than Simeon did. The following week, Allegra sold 12 containers of cookie dough, while Simeon sold none. If Allegra sold 40%, percent more containers than Simeon did overall, how many did Simeon sell in total?

Step-by-step explanation:

Let is assume the containers sold by Simeon  in first week  = x

So, the  the containers sold by Allegra  in first week  = x + 30% of x

= x +  0.3 x = 1.3 x

Now, in second  week:

The containers sold by Simeon = 0

The containers sold by Allegra   = 12

So, the total cookie container sold  by Allegra  = (1.3 x + 12)

Also,  Allegra sells 40% more cookie containers than Simeon.

⇒Allegra's share =  ( Simeon's share) + 40% of  ( Simeon's share)

⇒Allegra's share = 1.4 x ( Simeon's share)

⇒  (1.3 x + 12) = 1.4 (x + 0)

⇒ 1.3 x + 12 - 1.4 x   = 0 or, 0.1 x = 12

or, x  = 120

So, the total containers sold by Simeon = x  +  0 = 120 + 0 = 120

Hence, the number of containers sold by Simeon overall = 120

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